Add a hole to an STL

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Place a through hole or blind hole and check its diameter, depth and distance from the edge.

Rendered example views: 1 shows the original model and 2 the calculated result. The images illustrate the model geometry, not the editor interface.

A simple example

A 6 mm thick plate needs an extra mounting hole with a 8 mm diameter.

Step by step

1. Choose Hole and click the entry point on the model.
2. Set the diameter to 8 mm. Choose through mode for a through hole, or blind mode and a depth for a blind hole.
3. Move the centre and adjust the direction if needed. Surface coordinates help with precise placement.
4. Wait for the result preview. Check the entry, exit and remaining walls, then apply.

What to check

A 4 mm blind depth only makes sense if sufficient material remains behind it. The geometric diameter alone does not guarantee a screw fit.

Preview and save

A preview is not a saved change. Wait for the checked result and choose Apply. If the button is disabled, read the message and check the selection or inputs. The offered STL download is paid; you will see the current price before purchase.