How to get a negitive of a 3d item?

[knight_toolworks]

I have a Nike trophy that needs a case. I am to cut foam in the shape of it. but I have a 3d file of the trophy but I need a negative of it a pocket. how to get that?

[cabnet636]

steve if you have a 3d file (.stl) it can be modeled in a negative in aspire, if i can help we can try
jim

[knight_toolworks]

I have the stl. is it possible to get a model I can use in cut3d?

[khaos]

When you cut the file cant you simply scale the Z -1.0000 ??

Am I over simplifying?

[cabnet636]

yes we can out put a .stl for machining in cut 3d

my em is mcgrew 636 at msn dot com

[cabnet636]

file looks good it will take a bit to test it but we can do this!!

jim

[knight_toolworks]

I am not good at visualizing in 3d. so I doubt I could draw well in it.

[kfitz]

Drape command in Rhino?