Actually finished yesterday's print.

3D Printing
,
1

Actually finished yesterday’s print. I call it DeathTopus :smiley:
http://www.youtube.com/watch?v=9AaEBLyjyTU

2

Very nice!

Mind if I ask you some questions about your printer? I’m planning to build a custom printer myself and I’m leaning towards using aluminum extrusion and I’d love to ask you a few questions about it.

  1. How difficult was it to square a frame assembled from extrusion lengths, and was it easy with your design to ensure the linear guides were parallel to each other and leveled?

  2. How rigid is the frame, is there any noticeable flex or vibration on the X-Axis extrusion length? It looks to be around 1" square extrusion?

  3. How fast can can you print?

  4. What are the overall dimensions and what is the print volume?

3

Also doesn’t this require a six axis board to run it?

4

@Mark_Rehorst the bed is 320x320mm and I use the Marlin main branch firmware.
@Cornelius_Wiens
1,First I had problems with the guides linearity finally the solution was to set everything as close as possible to it’s intended position than loosen som of the structural screw to let the machine find it’s position, than tihten the screws again.
2, the frame is rigid enough for 60mm/s printing but if I want to goo higher then I need te side panels. The machine will be closed and heated, so the side panels will give further stability.
The x axes is exceptionally stable, I’m most pleased with that.
3, right now I’m testing with 60mm/s but there is definitely mor in it. Right now the bed is not supported well enough and starts to wobble from the y axes movement. It needs a redesign, I was expecting this but I thought maybe I can getaway with only one lead screw. It will need one one both sides.
4, 320x320x420
@Justin_Nesselrotte you’re right it needs 6 stepper drives, and I easily soldered one extra stepper to my ramps1.4 only needs two resistorssome wire and 3 free i/o pins on the ramps

5

Nice job

6

@1111185 Thanks for the answers!

7

@1111185 ​ do you mind linking to a tutorial or showing how you did that and what it looks like?

8

@Justin_Nesselrotte not sure if I saw a gud guide on how to do it, I used the ramps shematic from the wiki and the labeling on the stepper drive. Gnd pin to gnd, step pin to step, dir pin to dir. You get the idea, sorry I don’t have a better answer. But if you look it up it shouldn’t be hard. Also there is expansion boards for the ramps on ebay, which are doing the same thing but they are pre made you yust need to plug everything together.

9

Wow! I love the design for the dual extruders!

10

Hey.
Why not used dual extruder in a single head…
It will reduce the cost of your machine, I think.

11

@Lonely_Lex The point is to prevent the color contamination which is caused by the oozing of the inactive extruder. prevent things like this: https://farm1.staticflickr.com/480/19672643310_e2a143d82e_b.jpg

12

WOW.

That’s a lot of wasted material, there’s no way I could justify that amount of support, I’d probably resort to cutting it in to parts

13

@Elf_Tablet What support? It’s a two color octopus, I only see infill.

14

@Elf_Tablet there’s no support, the white abs is part of the print, it’s a two color remix of the #rocktopus. The black is PLA and the white is ABS. Both of them are with 15% infill and two perimeters.

15

since then I uploaded the model to thingiverse, you can find it here:http://www.thingiverse.com/thing:1512292