Any test done around giving um2 a PVA nozzle? Since it is a nice candidate to use it for molds (high temp silicon) that you can single extrude it and water sink them to get a nice and clean mold than can be used with hightemp materials (low temp liquid metals, and other non adhesive materials). For example jewelry.
I've played with PVA on the UM2 with special nozzles, but the feeder has a hard time feeding the material. Olsson block nozzles can easily print PVA, so I recommend doing it on a UM2+ (or at least change out the nozzle).
Students at TU Delft already played with this concept:
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SandervG 1,521
The first #UltimakerAMA is officially over, @TomHe will answer all open question and possible follow-up questions that might surface.
Thank you all for your questions, hopefully, you found it interesting and let me know who you would like to talk to next With your input we can make it better and more interesting!
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neotko 1,417
But that would just require to the user to use UM tag materials (UM could tun basic tests). The problem I see, is that low jerk/accel tricks to make all beautiful can/and do, make external errors on curves to compensate the ringing and heavier head of the um3 system.
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