# Modeling Questions

**URL:** https://discourse.shapr3d.com/c/workshop/troubleshooting/5.md?page=234

[Latest](https://discourse.shapr3d.com/latest.md) · [Categories](https://discourse.shapr3d.com/categories.md) · [Tags](https://discourse.shapr3d.com/tags.md)

**Page:** 235

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## [Added two screenshots: they are different sizes in shapr3d](https://discourse.shapr3d.com/t/added-two-screenshots-they-are-different-sizes-in-shapr3d/7110)

<div class="topic-metadata">

**Author:** [@RonJeffries](https://discourse.shapr3d.com/u/RonJeffries)\
**Replies:** 2\
**Last updated:** [April 6, 2020, 10:04pm UTC](https://discourse.shapr3d.com/t/added-two-screenshots-they-are-different-sizes-in-shapr3d/7110 "2020-04-06T22:04:54Z")

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as above two mac screenshots made with shift command 3. one came in as 33 cm high, the other as 29. they’re both full screen size on the mac, taken seconds apart. that seems more than a bit odd. both were imported on a …

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## [Images need to be unselect able](https://discourse.shapr3d.com/t/images-need-to-be-unselect-able/7109)

<div class="topic-metadata">

**Author:** [@RonJeffries](https://discourse.shapr3d.com/u/RonJeffries)\
**Replies:** 2\
**Last updated:** [April 6, 2020, 1:52pm UTC](https://discourse.shapr3d.com/t/images-need-to-be-unselect-able/7109 "2020-04-06T13:52:21Z")

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after i place an image for tracing, like in the teapot example, how cal i set it to be unselect able while i set up objects around it? thanks

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## [Alternatives to Apple Pencil](https://discourse.shapr3d.com/t/alternatives-to-apple-pencil/7095)

<div class="topic-metadata">

**Author:** [@Trc](https://discourse.shapr3d.com/u/Trc)\
**Replies:** 2\
**Last updated:** [April 5, 2020, 6:18pm UTC](https://discourse.shapr3d.com/t/alternatives-to-apple-pencil/7095 "2020-04-05T18:18:21Z")

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Hi - apologies if this has been answered elsewhere, but I couldn’t see an answer. I’m running a 2019 iPad mini 5 - do I have to use an Apple Pencil with Shapr3d or can I use a different stylus? Penoval or adinote are m…

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## [Center to Face](https://discourse.shapr3d.com/t/center-to-face/7090)

<div class="topic-metadata">

**Author:** [@Gspro](https://discourse.shapr3d.com/u/Gspro)\
**Replies:** 1\
**Last updated:** [April 5, 2020, 3:02am UTC](https://discourse.shapr3d.com/t/center-to-face/7090 "2020-04-05T03:02:38Z")

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Hello everyone! In the screenshot, how do I center the rectangular (right), to the highlighted face (left)? Thank you!

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## [New to app, having some trouble](https://discourse.shapr3d.com/t/new-to-app-having-some-trouble/5354)

<div class="topic-metadata">

**Author:** [@Hux83](https://discourse.shapr3d.com/u/Hux83)\
**Replies:** 15\
**Last updated:** [April 4, 2020, 3:48pm UTC](https://discourse.shapr3d.com/t/new-to-app-having-some-trouble/5354 "2020-04-04T15:48:09Z")

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Is it possible to twist a shape so as to achieve this effect? When I try,it just twists over itself in the middle then unwinds.

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## [Twisted square rod](https://discourse.shapr3d.com/t/twisted-square-rod/7080)

<div class="topic-metadata">

**Author:** [@RonJeffries](https://discourse.shapr3d.com/u/RonJeffries)\
**Replies:** 6\
**Last updated:** [April 4, 2020, 12:43pm UTC](https://discourse.shapr3d.com/t/twisted-square-rod/7080 "2020-04-04T12:43:07Z")

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i’d like to make a rod or post of square cross-section, twisted. i made the attached with extrude, then twisting the top, then duplicated it vertically. it becomes thinner toward the center of the pieces. is there a wa…

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## [Solved - 3D Snaps](https://discourse.shapr3d.com/t/solved-3d-snaps/2771)

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**Author:** [@Kal](https://discourse.shapr3d.com/u/Kal)\
**Replies:** 4\
**Last updated:** [April 3, 2020, 10:00pm UTC](https://discourse.shapr3d.com/t/solved-3d-snaps/2771 "2020-04-03T22:00:19Z")

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Update from Shapr3d team: We have just released the new 3d alignment tool feature with the 3.52 app version :partying\_face: This will allow you to simply tap on the body faces to get them snapped together. Simply upda…

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## [Making Changes to Model](https://discourse.shapr3d.com/t/making-changes-to-model/7057)

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**Author:** [@Cybercrypt13](https://discourse.shapr3d.com/u/Cybercrypt13)\
**Replies:** 5\
**Last updated:** [April 3, 2020, 7:35pm UTC](https://discourse.shapr3d.com/t/making-changes-to-model/7057 "2020-04-03T19:35:09Z")

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To speed things up I just did a video to show what I’m trying to figure out. Basically I want to change where a hole is located in a built up model and curious if this requires me to go back to the original sketch and s…

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## [Invalid result body using shell tool](https://discourse.shapr3d.com/t/invalid-result-body-using-shell-tool/7071)

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**Author:** [@ps23Rick](https://discourse.shapr3d.com/u/ps23Rick)\
**Replies:** 5\
**Last updated:** [April 3, 2020, 7:18pm UTC](https://discourse.shapr3d.com/t/invalid-result-body-using-shell-tool/7071 "2020-04-03T19:18:44Z")

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Ok… I’ve got an ellipse that is 37.5mm x 76.2mm (radius). I extruded that with a draft angle of 6 degrees and a length of 165.1mm. Now, when I use the Shell tool to hollow out the walls I get the above error when I spe…

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## [Messages should stay visible longer](https://discourse.shapr3d.com/t/messages-should-stay-visible-longer/7078)

<div class="topic-metadata">

**Author:** [@RonJeffries](https://discourse.shapr3d.com/u/RonJeffries)\
**Replies:** 0\
**Last updated:** [April 3, 2020, 4:59pm UTC](https://discourse.shapr3d.com/t/messages-should-stay-visible-longer/7078 "2020-04-03T16:59:23Z")

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messages pop up and disappear quickly, often before they can be read, much less understood. i’d suggest leaving them up until one taps. thanks!1

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## [Sticky drawing tools](https://discourse.shapr3d.com/t/sticky-drawing-tools/7077)

<div class="topic-metadata">

**Author:** [@RonJeffries](https://discourse.shapr3d.com/u/RonJeffries)\
**Replies:** 0\
**Last updated:** [April 3, 2020, 4:43pm UTC](https://discourse.shapr3d.com/t/sticky-drawing-tools/7077 "2020-04-03T16:43:10Z")

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if i start to draw a circle, say, then perhaps don’t get it in the right place and delete it, the circle setting gets lost and i’m back in line/arc mode. i think it’d be better if the modes were sticky, staying as select…

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## [Creation of windows on a wall](https://discourse.shapr3d.com/t/creation-of-windows-on-a-wall/7075)

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**Author:** [@Pushpak](https://discourse.shapr3d.com/u/Pushpak)\
**Replies:** 1\
**Last updated:** [April 3, 2020, 12:56pm UTC](https://discourse.shapr3d.com/t/creation-of-windows-on-a-wall/7075 "2020-04-03T12:56:07Z")

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How do I draw windows equally spaced on a wall

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## [Scale one side only](https://discourse.shapr3d.com/t/scale-one-side-only/6994)

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**Author:** [@Bizzaro](https://discourse.shapr3d.com/u/Bizzaro)\
**Replies:** 7\
**Last updated:** [April 3, 2020, 4:22am UTC](https://discourse.shapr3d.com/t/scale-one-side-only/6994 "2020-04-03T04:22:11Z")

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Trying to figure out how to expand one side of a shape. I made it too small by accident. I need to stretch one side over a bit. However I can’t figure out how to do this effectively. In the below video I have to resize e…

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## [How to cut this object into two pieces?](https://discourse.shapr3d.com/t/how-to-cut-this-object-into-two-pieces/4647)

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**Author:** [@A2019](https://discourse.shapr3d.com/u/A2019)\
**Replies:** 5\
**Last updated:** [April 2, 2020, 8:42pm UTC](https://discourse.shapr3d.com/t/how-to-cut-this-object-into-two-pieces/4647 "2020-04-02T20:42:26Z")

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Hi there. How can i cut this object into 2 pieces, along the red line (through the center of the hole) and along the entire height of the object body? Thanks for a hint.

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## [Rotating objects on the screen](https://discourse.shapr3d.com/t/rotating-objects-on-the-screen/7069)

<div class="topic-metadata">

**Author:** [@G2Art](https://discourse.shapr3d.com/u/G2Art)\
**Replies:** 0\
**Last updated:** [April 2, 2020, 6:59pm UTC](https://discourse.shapr3d.com/t/rotating-objects-on-the-screen/7069 "2020-04-02T18:59:23Z")

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Hi, when I rotate an object on the screen with one finger in order to position it well for a screenshot, I don’t seem to be able to rotate it about the vertical axis. For example, starting in the top view, I cannot rotat…

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## [Draw bent flat piece](https://discourse.shapr3d.com/t/draw-bent-flat-piece/7067)

<div class="topic-metadata">

**Author:** [@RonJeffries](https://discourse.shapr3d.com/u/RonJeffries)\
**Replies:** 5\
**Last updated:** [April 2, 2020, 5:39pm UTC](https://discourse.shapr3d.com/t/draw-bent-flat-piece/7067 "2020-04-02T17:39:35Z")

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i’d like to create a flat piece with a slight bend near in end, as shown in the attached pic. what, please, is a good way to do that? thanks!

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## [Confused about sweep](https://discourse.shapr3d.com/t/confused-about-sweep/7065)

<div class="topic-metadata">

**Author:** [@RonJeffries](https://discourse.shapr3d.com/u/RonJeffries)\
**Replies:** 3\
**Last updated:** [April 2, 2020, 5:37pm UTC](https://discourse.shapr3d.com/t/confused-about-sweep/7065 "2020-04-02T17:37:51Z")

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what seems to work: draw a spline to follow; draw a closed profile; position the profile near one end of the spline; rotate the profile to be approximately face-normal to the spline i.e. face normal aligned with tangent …

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## [Konvertieren stl. in g code](https://discourse.shapr3d.com/t/konvertieren-stl-in-g-code/7064)

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**Author:** [@MichaelaG](https://discourse.shapr3d.com/u/MichaelaG)\
**Replies:** 1\
**Last updated:** [April 2, 2020, 4:00pm UTC](https://discourse.shapr3d.com/t/konvertieren-stl-in-g-code/7064 "2020-04-02T16:00:20Z")

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Hallochen Gibt es für Option auf iOS Shapr3D in g Code zu konvertieren. Denn das scheint wohl bei den best of homedruckern das beste Mittel zu sein. Es wäre ja jammerschade wenn man das hier nicht einbauen könnte.

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## [Remove all Fillets](https://discourse.shapr3d.com/t/remove-all-fillets/7061)

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**Author:** [@Cybercrypt13](https://discourse.shapr3d.com/u/Cybercrypt13)\
**Replies:** 2\
**Last updated:** [April 2, 2020, 3:43pm UTC](https://discourse.shapr3d.com/t/remove-all-fillets/7061 "2020-04-02T15:43:19Z")

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I have a finished part that I would like to modify a bit but the fillets that were added are not allowing me to easily make changes. Is there a way to just remove all of these objects at once because trying to remove th…

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## [Unwinding sheet metal parts](https://discourse.shapr3d.com/t/unwinding-sheet-metal-parts/7048)

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**Author:** [@Indy676](https://discourse.shapr3d.com/u/Indy676)\
**Replies:** 2\
**Last updated:** [April 1, 2020, 6:01pm UTC](https://discourse.shapr3d.com/t/unwinding-sheet-metal-parts/7048 "2020-04-01T18:01:46Z")

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Is there the possibility to, I do not know the correct term, maybe „unwinding“ or „unbending“, in German „Abwickeln“ of sheet metal parts, so that I can do a projection and a „Skizze“?

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## [How to draw line or tilt to absolutevangle](https://discourse.shapr3d.com/t/how-to-draw-line-or-tilt-to-absolutevangle/7036)

<div class="topic-metadata">

**Author:** [@RonJeffries](https://discourse.shapr3d.com/u/RonJeffries)\
**Replies:** 6\
**Last updated:** [April 1, 2020, 4:37pm UTC](https://discourse.shapr3d.com/t/how-to-draw-line-or-tilt-to-absolutevangle/7036 "2020-04-01T16:37:17Z")

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i want one object to have, say, a ten degree angle, relative to the z axis. i can draw it vertical and then rotate relative ten degrees, but i’ve found no way to see what the absolute angle is, nor to set the angle dire…

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## [Standing, Slanted, Curved, Walls](https://discourse.shapr3d.com/t/standing-slanted-curved-walls/7042)

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**Author:** [@jvhouse2](https://discourse.shapr3d.com/u/jvhouse2)\
**Replies:** 2\
**Last updated:** [April 1, 2020, 12:23pm UTC](https://discourse.shapr3d.com/t/standing-slanted-curved-walls/7042 "2020-04-01T12:23:22Z")

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Hello! I am trying to re-create the facade of this building and I’m running into trouble with creating these standing slanted curved walls. Its almost as if the walls are literally bear hugging the interior. I tried d…

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## [Removing bits from object](https://discourse.shapr3d.com/t/removing-bits-from-object/7041)

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**Author:** [@ps23Rick](https://discourse.shapr3d.com/u/ps23Rick)\
**Replies:** 3\
**Last updated:** [April 1, 2020, 3:09am UTC](https://discourse.shapr3d.com/t/removing-bits-from-object/7041 "2020-04-01T03:09:47Z")

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Ok… So I’m still toying around with getting things going in my head. For this round, I’ve got what is basically a half funnel and I want to mount something like a handle on the side of it… I created a construction plane…

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## [Can't select axis for plane thru edge at angle](https://discourse.shapr3d.com/t/cant-select-axis-for-plane-thru-edge-at-angle/7038)

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**Author:** [@RonJeffries](https://discourse.shapr3d.com/u/RonJeffries)\
**Replies:** 2\
**Last updated:** [April 1, 2020, 6:24am UTC](https://discourse.shapr3d.com/t/cant-select-axis-for-plane-thru-edge-at-angle/7038 "2020-04-01T06:24:19Z")

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selecting a line works. can’t make it select axis.

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## [Spline to smooth surface](https://discourse.shapr3d.com/t/spline-to-smooth-surface/7040)

<div class="topic-metadata">

**Author:** [@RonJeffries](https://discourse.shapr3d.com/u/RonJeffries)\
**Replies:** 4\
**Last updated:** [March 31, 2020, 11:30pm UTC](https://discourse.shapr3d.com/t/spline-to-smooth-surface/7040 "2020-03-31T23:30:59Z")

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i want to make a smooth surface with the shape of a spline, as if extruded at right angles to the spline’s curvature. or like a loft between two copies of the spline. how might this be done? objective is to slice the ob…

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## [Revolve on angled construction plane?](https://discourse.shapr3d.com/t/revolve-on-angled-construction-plane/7039)

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**Author:** [@RonJeffries](https://discourse.shapr3d.com/u/RonJeffries)\
**Replies:** 3\
**Last updated:** [March 31, 2020, 10:04pm UTC](https://discourse.shapr3d.com/t/revolve-on-angled-construction-plane/7039 "2020-03-31T22:04:34Z")

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trying to revolve the shape shown around the line, both on an angled plane. select shape, select line, get message failed to compute geometry. pls advise.

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## [Cylinder with differant dimensions at both ends](https://discourse.shapr3d.com/t/cylinder-with-differant-dimensions-at-both-ends/5760)

<div class="topic-metadata">

**Author:** [@Freyguy55](https://discourse.shapr3d.com/u/Freyguy55)\
**Replies:** 12\
**Last updated:** [March 31, 2020, 7:49pm UTC](https://discourse.shapr3d.com/t/cylinder-with-differant-dimensions-at-both-ends/5760 "2020-03-31T19:49:59Z")

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Hello all! I’ve only been using Shapr3d for a week now so forgive me if this is basic. I’m trying to create a cylinder with differant dimensions at both ends. Like a funnel. So at one end I want the radius to be 10cm and…

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## [Aligning centres of objects](https://discourse.shapr3d.com/t/aligning-centres-of-objects/1443)

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**Author:** [@SandraAlicante](https://discourse.shapr3d.com/u/SandraAlicante)\
**Replies:** 7\
**Last updated:** [March 30, 2020, 11:18pm UTC](https://discourse.shapr3d.com/t/aligning-centres-of-objects/1443 "2020-03-30T23:18:26Z")

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Hi, as a new user, I’m wondering if there is an easy way to line up one object to the centre of another (apart from drawing in lines to constrain things)? For example I may want to draw a square in the middle of a rectan…

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## [Can't import files (STP, STEP, IGES)](https://discourse.shapr3d.com/t/cant-import-files-stp-step-iges/842)

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**Author:** [@DeoAM](https://discourse.shapr3d.com/u/DeoAM)\
**Replies:** 27\
**Last updated:** [March 30, 2020, 9:02am UTC](https://discourse.shapr3d.com/t/cant-import-files-stp-step-iges/842 "2020-03-30T09:02:21Z")

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I have tried importing files created in rhino to shapr (STP and other supported format) but nothing seem to work. I tried opening files I was able to open before and even those can't open. This seem to be happening sinc…

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## [Snapping etc](https://discourse.shapr3d.com/t/snapping-etc/6995)

<div class="topic-metadata">

**Author:** [@Bizzaro](https://discourse.shapr3d.com/u/Bizzaro)\
**Replies:** 9\
**Last updated:** [March 30, 2020, 6:16am UTC](https://discourse.shapr3d.com/t/snapping-etc/6995 "2020-03-30T06:16:36Z")

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I’m trying to get the center point and movement arrows to snap to the center of a 3D body but it refuses to. Nor can I get the body to snap to the colored axis lines? Is this a bug or intended behavior? (Yes al…

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