# Units don’t transfer

**URL:** <https://discourse.shapr3d.com/t/units-don-t-transfer/4026>\
**Category:** Modeling Questions\
**Created:** [February 9, 2019, 7:47pm UTC](https://discourse.shapr3d.com/t/units-don-t-transfer/4026 "2019-02-09T19:47:28Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Leroy](https://avatars.discourse-cdn.com/v4/letter/l/e0b2c6/32.png) [@Leroy](https://discourse.shapr3d.com/u/Leroy)\
**Post date:** [February 9, 2019, 7:47pm UTC](https://discourse.shapr3d.com/t/units-don-t-transfer/4026/1 "2019-02-09T19:47:28Z")

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I am having trouble with the size of my model transferring to my Slic3r Program that slices and generates gcode. Before this last update, the side of my projects transferred, but after - if my project is 10cm high, it transfers to 10mm high. Do I always need to be creating in mm ?