In this episode, we will be looking printing upside down to reduce supports and increase quality! In a prior episode we printed the “Apollo Astronaut” (see more here: diy3dtech.com/design-talk-unique-support-ideas/ ) and discussed the possibilities of utilizing unique orientations for general purpose printing. Well after seeing @Winston Moy on Instagram use the pocket CNC to machine an STL version of the SpaceX Dragon capsule out of Aluminum, I decided that would be a good model to try this process out on using the MonoPrice Mini Delta (see more here: diy3dtech.com/monopricemini_delta ). In addition, we used CURA and tree supports as I am playing around more and more with the tree support function CURA as a bit of an “organic” support engine just to see what is possible.
Thingiverse Model by Zastro: www.thingiverse.com/thing:1802512
Note: As I reviewed the video there where a couple additional points which we felt were worth making.
(1) This (printing upside down) works best if the bed is stationary like with a delta or core x/y. Other it would be possible for the object sway during movement as it would be top heavy.
(2) In reviewing the long time lapse video, the model did move a small amount with the print head near the end. So it was clear a certain amount of “drag” remained and it increased with height. The good thing is the movement was in step with the hot-end so this should be considered when printing models of this nature.
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