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How do I create a mould with the negative of an object?

This tutorial requires:

DesignSpark Mechanical V6.0

The following process will create a reverse/negative design for use as a mould or similar. To do this, we use the combine tool which is found in the Intersect menu.

combine tool

1. To start draw two shapes, one will be the base (1) and the other the cutter (2)

draw two shapes

2. Move the cutter into the base.

Move the cutter into the base

3. Selecting the combine tool from the intersect menu.

4. Select the base and then the cutter, this then creates a third object which is the waste material. Notice the saw against the cursor when selecting the cutter object.

Select the base and then the cutter

Structure

Structure with 3 parts

5. Delete the waste material and the cutter object to leave the base with a negative object of the cutter.

Delete the waste material

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