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Ultimaker Community of 3D Printing Experts


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  1. Been using cure for 3 years with my Ultimaker 2 extended. Some of my prints are multicolor and I change filament to add various colors to the print at various layers. It appears that when I select the Layer view I get a option dialog but never progress to the layer select slider. Any help will be appreciated. Cura 3.4.1, Ultiamaker 2 extended with current firmware, Also change filament at layer option didn't stop at all at any layer
  2. Just a bit more on this side fan subject. After a short circuit caused by me crimping one of the side fan wires between the aluminum housing and the lower plastic nozzle housing I smoked the wire to one of side fans. Testing the fan using an external power supply showed that only the fan wire needed repair and after that the fan worked fine under test. When installed on the Ultimaker 2 the fans still did not work so I replaced the transistor on the main board with one I purchased from Digikey (BC817 NPN transistor ). Still failed and finally found that the series bridge wire (green on
  3. Instructions on cutting AnyThing.stl into parts. The most general way to do this for any Thing.stl file install OpenSCAD (its free and works on most platforms) commands used: import(); translate(); cube(); functions used: difference(){} code looks like this difference(){ import("/PathToThing/TheThing.stl"); translate([x,y,z])cube([x,y,z]); } cube - x,y,z are adjusted to make a cube that covers TheThing translate - x,y.z are adjusted to move the cube over the part of TheThing you do not want in the HalfOfThing.stl iterate adjusting x,y,z values until your
  4. While your in there you might install a little squirrel cage fan to blow air into the grill side of the main board enclosure. I did this 3 years ago and still going strong.
  5. I agree that PEI is an outstanding material but I think there a few limitations to using PEI on at least my Ultimaker 2. I print exclusively with 1.75 filament and to do that successfully I needed to make a few modifications to my printer. That said I looked into printing with PEI and found that my Ultimaker 2 printer is not within the specifications required for that material. 1. Ultimaker 2 extruder temp max is 260C and PEI would expect at least 330C 2. Ultimaker 2 heated bed max is 100C and PEI wants at least 110 3. Ultimaker 2 does not have heated enclosure but by adding a door y
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