Build a castleTinkerPieCAD tutorial 7 of 10 · Intermediate · 20 minutes

Walls with a doorway, four towers and red roofs. Practise grouping part of a design.

Open the finished design in TinkerPieCAD (free, runs in your browser)

What you will learn

• Grouping only some shapes
• Placing shapes at the corners
• Hole for a doorway

Shapes you need

BoxBox (hole)Cylinder ×4Cone ×4

Steps

1. Walls

   Add a Box 60 × 60 × 30 at Z 15 (grey).

2. Doorway

   Add a Box hole 14 × 12 × 20 at Position Y −30, Z 10. Group it with the walls.

3. Towers

   Add a Cylinder 16 × 16 × 44 at X −30, Y −30, Z 22. Duplicate it to the other corners: X and Y of 30 or −30.

4. Roofs

   Add a Cone 20 × 20 × 16 at Z 52 on each tower, coloured red.

5. Show it off

   Use Home and orbit around. Save and export.

Why it works

You can group only the shapes you need. The towers stay separate and easy to move.

All sizes are in millimetres. Type exact numbers in the right-hand panel. Press Export to get an STL file for a 3D printer.

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