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THE SPECTRUM OF 3D PRINTING

Technology Video Links

FDM

This is not very interesting but it gives you the idea and some of you will be starting your  3D printing journey with machines like these!

SLS

Shows a build being prepared on the computer, then the collection of parts are digitally  sliced. The part slices are then sintered (melted) from the nylon powder which then  hardens. The parts are then cooled and removed from the machine with the loose  powder support simply being brushed and blown away.

MULTICOLOUR

Shows an object being printed in colour plaster, having the loose powder being delicately  vacuumed, blown and brushed away from the delicate raw print and then sees it being  impregnated with superglue to harden it and make it strong enough to carefully handle.

SLA

Shows the slice information being projected on to the bottom of the lifting build platform.  The light hardens the wax resin which is then lifted out of the unhardened resin. It is then  rinsed and the support structures are neatly cut away.

POLYJET

This shows how the resin material is deposited by inkjet heads and is then cured with  light. This video doesn’t show the full colour version of the machine which works in the  same way. The cleaning and finishing of the parts is more time consuming than the video  suggests!

CLIP

This doesn’t really show the process but it gives an idea of the type of machine it is and  that it works similarly to SLA. Be aware that the video makes some bold claims that are  debateable!