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OpenSCAD library for empty space/holes

I am working on a design in OpenSCAD, and need (would want) two things that seem tedious to hand-code: A pattern of holes in a wall, for less weight/material. Could be round holes or some geometric pattern. Empty enclosed space, with some…
Tomas By
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Getting precise measurement of a complex rod

I'm trying to build a headrest for my Sayl office chair. For that, I'm designing a 3d-printed part that's going to fit on one of the existing rods of the chair. Check out this picture: How would you go about in getting the exact measurements of…
Ram Rachum
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What will be the best way to remove pla from a volcano nozzle?

My print popped out from the bed and glued to the nozzle. As the printer was printing next hour or so, a lot of pla was extruded and formed on the nozzle. I'm wondering what will be the best way to remove pla from the nozzle without overheating…
profesor79
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Adding extra Z-offset to bed for PETG in Slic3r

Having printed exclusively in PLA for the past year, I'm now looking at trying out PETG in order to print a set of spare parts for my new Prusa i3 mk3. I have bought a roll of PETG from Rigid.ink and their recommendation is to leave an extra 0.2mm…
Andrew Ebling
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How to heat up a Printrbot's hotend using an SD card

My Printrbot simple metal's extruder is jammed and I need to heat it up to unjam it. Unfortunately, the printer does't want to connect to my laptop regardless of the program I'm using (Repetier-Host or Cura 15). Is there a way to use a micro SD…
Brendan Smith
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How do I create a STL file from a 2 dimensional grid of data

Given a large set of data, I was able to create a 3D graph in Microsoft Excel. How can I create a STL file similar to this graph to create a physical model of this graph?
Eric Johnson
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PLA coating for water irrigation 3D printed parts

I was considering printing some pieces for my irrigation system, like tube connectors and such. I am aware that PLA is hydrophilic so I was wondering with what kind of product I could coat the pieces, non-toxicity is a requirement because it will…
Petar Petrov
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Printing a building from its laser scanned exterior point cloud

I have a very dense point cloud (billions of points) of the exterior of a building obtained by laser scanning it with a Leica head. I successfully subsampled it down to around 500,000 and I'm trying to print the building by first creating a mesh. I…
Metiu
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How do you program a 3D printer?

I'm thinking about building my own 3D printer/Laser Engraver/CNC. Since all use a standard Cartesian axis I wanted to be able to swap out tool heads depending on the purpose. I have everything thought out except the coding aspect of the project. I…
Gian.Pit
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How can I stop the flare out of the bottom layers?

On nearly all of my prints, my first few layers are flared out slightly. I'm using painter's tape for the bed, and the bed temperature is at 60 °C while the extruder is at 205 °C. This seems to happen regardless of print quality settings. Here's…
user441767
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Monoprice i3 clone heat shuts off printing abs

I have the Monoprice Select 3D Printer (i3 clone). I'm trying to print ABS. I set the temperature to 230°C for the extruder and 110°C for the bed. I can see the printer warming up to those temperatures and then when it gets there the bed and…
Michael Gerard
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How do I compute the surface & volume of a large amount of STL files?

Please, how do I compute the surface & volume of a large amount of STL files ? I have over 3000 STL files, and I want to know their respective volumes and surfaces. I will use this data to be able to identify the biggest part, the one with the…
42Z0GqNNz
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How to change E0 to E1 on Marlin 1.1?

I have the same problem as this person but I don't have those lines in my RAMPS.h file. I've recently burnt my potentiometer on E0 so the motor isn't working properly anymore. I want to use it on E1 instead. If you have any better idea how to fix…
Ilya Smirnoff
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Support material first layer adhesion issues

I am quite new to 3D printing, and having difficulty printing first layer of an object with support. The object has a few curved surfaces that touch the print bed, so not a big starting foot print. I am printing on a genuine Prusa i3 mk2s, using…
AndrewP
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Which 3D design softwares make multi-material amf or other design files that slic3r will slice?

I'm looking for suggestions for 3D design software which support designing multi-material parts. I will be printing on a multi-extruder machine based on RepRap firmware. The printer will handle the files when given a proper g-code file. Slic3r…
cmm
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