- If shapes disappear → They may be set as holes, check before grouping.
- If design looks uneven → Use the align tool to center objects.
- If measurements look wrong → Always use the ruler tool for precision.
- If grouped wrongly → Click Ungroup and try again.
Lesson 1: Why 3D Design Matters?
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Lesson 2: Meet BlocksCAD – Design with Code!
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Lesson 3: Tinkercad Time – Easy 3D Tools
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Lesson 4: Let’s Design to Help Someone
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Lesson 5: Shape, Size, Function!
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Lesson 6: Prepare It for 3D Printing
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