Add cylinders and basic shapes to an STL

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Add a pin, box or another basic solid and join it to your model.

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 plate needs a cylindrical locating pin. The example uses an 8 mm diameter and 12 mm height before embedding.

Step by step

1. Open Add and choose Cylinder.
2. Set the dimensions and click the placement area on the model.
3. Move and orient the cylinder. Set the embedding so it overlaps the base body.
4. Inspect the calculated union and apply. Repeat for more pins.

What to check

A basic solid keeps its shape; it is not bent over a curved surface like text. Mere touching without overlapping material is not enough for a reliable join.

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.