When I increase the radius of a rectangle in Tinkercad, the corners are rounded. But what if I want to print this shape without supports? In this tutorial you’ll learn how to create rounded corners and organic shapes.
Step 1 – Radius Settings
I start by dragging a simple box into my design.
Then I increase the Radius value to bevel the shape.
This shape can be edited, transformed, rotated and scaled. By grouping it with other shapes, I can simplify this 3D rectangle with its round corners for support-free printing.
Step 2 – Make A Hole (Fillet)
I will add two box-shaped holes (voids) to get rid of the bevel on the top and bottom. This way I have the flat surfaces and the round corners I need.
Do you recognize the buttons I use in this tutorial? Read my post about getting started with Tinkercad to learn more about the user interface.
Step 3 – Curved Holes (Chamfer)
I now know how to use holes and can play with the shape of the hole to create all kinds of organic shapes and round corners.
- Drag a solid box and a cylinder-shaped hole (void) into your design.
- Adjust the height and depth to get the curve you want.
- Select both shapes and then group them (Shortcut: G).
- Duplicate the curve and position it on the edges of your design.
- Select all curves and change the type from “solid” to “hole”.
- Group all the shapes and holes.
✨ Tip: Save your favorite curve parts as 3D files for later use.