__**tinkercad.com**__
  * To change the shape's dimensions just hover over it and check the squares.
  * ALIGN SHAPES: Select both shapes (or hole) with click and Shift key, then top right tool to 'Align'
  * HOLLOW A SHAPE: put a hole shape inside the other (align it if required) and then, up right, group button                    

[[https://craftcloud3d.com/]] , [[app.3dprint-uk.co.uk]]

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3d printing types: 
  * FDM (melts and extrudes) 
  * MJF (better, HP)
  * SLA (laser, higher resolution)
  * SLS (laser, for mechanical) 

Material:
  * Unordered List ItemABS is a low-cost material, great for printing tough and durable parts that can withstand high temperatures.