The design of inverted plastic products is 500x500mm as follows:

1 / Analyze the product with the note that the positions are interlocking, the position is the molding line

2 / Clean sample and select 3d scan of selected locations with Einscan Pro 3D scanner

3 / reverse design on Geomagic Design X

4 / dump and collision test on Topsolid

5 / export the parasol file and send the client