Most Popular

1500 questions
8
votes
1 answer

Heat bed troubles

I am currently building my own 3D printer, it is all set and ready to go but I seem to be having issues with the silicone heat bed I purchased. The motherboard I use is from the Flashforge Creator Pro for it allows me to use dual print heads. The…
LDF
  • 317
  • 1
  • 4
8
votes
1 answer

Getting started: shell passes not fusing in x/y, and a slanted wavy pattern on vertical walls

I'm trying to find the main reason(s) for the imperfections I'm seeing in printouts from my printer. It is an I3 clone from Folger Tech. I got this printer from a friend who used it to print a larger one, so the mechanics are apparently fine to the…
Christoph
  • 181
  • 6
8
votes
2 answers

3D printing references for beginners

I have just received a 3D printer for Christmas (Robo R2). I am confused by the sheer amount of settings that I can tweak and I'm hesitant to do so until I know more about them. I was wondering if anybody has any recommendations for literature…
David Reed
  • 391
  • 1
  • 3
  • 13
8
votes
3 answers

Remove the Marlin Boot screen

I added a custom boot screen to marlin by adding _Bootscreen.h to the project root folder and it works fine. The problem is that the custom screen shows quickly and disappear then the marlin boot screen is then displayed for a longer time. I want to…
Programmer
  • 401
  • 3
  • 6
  • 13
8
votes
2 answers

Under extrusion with Cura 3.1

I upgraded from Cura 2.7 to 3.1.0 and I'm getting horrible under extrusion, I'm sure this is the software because I rolled back to 2.7 and everything is working fine again. My printing is a Robo3D R1+ using the "custom FDM printer" profile. Is there…
Nir
  • 2,511
  • 8
  • 20
  • 32
8
votes
3 answers

Are there any "best" or at least "common" practices to handle allowances in OpenSCAD code?

I'm designing a few mechanisms with OpenSCAD, and one of the parameters that need adjustment between printers/filaments is allowances between pieces that need to be assembled together (for example, if I want a "5 mm diameter pin" to fasten two…
mac
  • 4,715
  • 1
  • 13
  • 35
8
votes
5 answers

Why is my 3D printer over extruding when I have set the flow rate very low?

I am using Cura to slice my prints, and despite turning the flow rate to the minimum value of 5%, my prints are still hugely over-extruding. I have calibrated the extruder stepper perfectly, using Pronterface, so I do not understand why this is…
Joe Clinton
  • 375
  • 1
  • 3
  • 10
8
votes
4 answers

Nozzle always "randomly" moves to 0 during print, then resumes

I recently bought an Anet A8 (https://pevly.com/anet-a8-3d-printer-review/). I've managed to get everything up and running, leveled the board, but am now running into a problem. At the start of the print, the printer moves to 0,0,0, bumps into the…
8
votes
3 answers

What is this called and where can I buy a replacement?

In the image, there is an object circled in blue on the anet a8 printer that I need to buy a replacement of, however, I can not find it online, please help.
Generx
  • 81
  • 1
8
votes
3 answers

Printing with Polycarbonate keeps warping

I'm trying to print a large piece with polycarbonate but it keeps warping, I'm using a Taz 5 printer and setting 290 C in the extruder and 145 C in the heating bed. Other setting I have are: printing speed: 20 mm/s layer height: 2.5mm infil:…
8
votes
2 answers

Hot end jamming very quickly

I have built a 3D printer out of parts from my tip, a ramps board, arduino mega, and a hot end. However, after doing a test extrusion some plastic was spewed out and then the print jammed un-expectantly and my homemade extruder no longer had the…
Joe Clinton
  • 375
  • 1
  • 3
  • 10
8
votes
2 answers

Self-lubricating 3D printable materials for space

Materials used in space need to not outgas significantly An answer to this question: Would 3d-printed objects outgas in vacuum? referred to the NASA outgassing database which showed that ABS, PET, and PLA filaments are all fairly low outgassing…
jgalak
  • 181
  • 3
8
votes
1 answer

commandline remeshing and simplifying tools

I'm currently trying to remesh and simplify some protein structure models (very large) to reduce the file size of the STLs I need to print from. The raw file before manipulation is ~4.9GB. I'm currently attempting this on my home PC (16GB Ram, AMD…
Joe Healey
  • 181
  • 1
  • 5
8
votes
6 answers

Heated Bed vs Heated enclosure for large scale printer

I'm /relatively/ new to 3d printing (I'm getting pretty good prints from my Wanhao di3 plus, but haven't done any DIY kits or anything) and materials engineering is probably the furthest thing from my area of expertise so I thought I would pose this…
Nicky Rossouw
  • 81
  • 1
  • 2
8
votes
5 answers

Broken Print Bed

I have a Robo 3D. However A while ago, the print bed was fractured, and now it has a long crack cutting it in half. The bed still works because it is held together, by the screws holding the bed to the tracks. So I want to continue using it, because…