Mortise and tenon

I am trying to extrude a mortise and tenon in two pieces of wood.
I hope to see the two pieces of wood with the structures shown on both of them (seperately of course).
But one of the pieces wood has disappeared after I click done.
I followed all the instructions on youtube: Furniture JOINERY Design on the iPad Pro Shapr3D || Woodworking
Can someone tell me what I am doing wrong and help me out.

https://support.shapr3d.com/hc/en-us/requests/new

Hello BKU and welcome !
Can you share your file ?
What boolean used ?
If Substract, then Keep body tool enabled

1 Like

Hello Jean-Philippe,

I cannot work with loom but I send you some screenshots
I Hope this will work

In tool option of boolean tool or in History :wave: [quote=“jean-philippe2, post:2, topic:35622”]
If Substract, then Keep body tool enabled
[/quote]
ere 2 screenshots


Thank you, I will try it when I am at home.