Questions tagged [printer-building]

Questions about building your own printer.

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15
votes
3answers
9k views

Printed part auto-eject (automatic part removal)

What are the methods to auto eject parts (into a collection area/box/basket) in order for the 3D printer to continue printing? For some reason this feature isn't common (yet?). Is there a hidden ...
14
votes
4answers
2k views

What are the pros and cons of collecting parts yourself, versus getting a DIY kit and then modifying it?

I'm thinking about buliding my own 3D printer from scratch. Is it better to buy a starter DIY kit and try to build your printer around it, or to order separate parts for printer, and then to combine ...
10
votes
4answers
1k views

Is it necessary to have both hot ends on a dual extruder printer at the same height?

I'm thinking of another extruder on my printer, and I'm curious about this one.... Is it necessary to have both hot ends on same height? Why yes / why not? (if there is not)
10
votes
1answer
437 views

Folgertech FT-5 : Does not seem to be reading G-Code correctly

I recently purchased an FT-5 from Folgertech and finished assembly about a week ago. I have yet to accomplish a successful print. It seems like either the file is not being sliced correctly, or that ...
9
votes
4answers
13k views

ABS or PLA for structural printed parts?

TL;DR Is ABS a better material to use for structural parts of a 3D printer, as opposed to PLA? I have been looking at various suppliers of printed parts for a Wilson II, on eBay. One supplier ...
8
votes
2answers
10k views

How do I wire the z-axis motors in parallel on the Prusa i3?

There is a little circuit board, or breadboard or something in the diagram of the wiring for the i3. And it's mentioned that the z-axis motors need to be wired in parallel but beyond that they don't ...
8
votes
4answers
1k views

How to cut OpenBeam/MakerBeam?

I'm building a 3D printer and I've been looking around for materials suitable to make the frame. I have occasional access to a laser cutter which I could use to manufacture a ply box-type (UltiMaker) ...
8
votes
3answers
150 views

When building a RAMPS 1.4 based printer, can I safely plugin just some of the components to test if they are working?

If I need to test out some of the components of a RAMPS 1.4 based 3D Printer, can I only plug some of them into the board (not all of them) and test them out? I'd like to test out the NEMA 17 motors ...
8
votes
2answers
3k views

Auto Bed-Leveling with Inductive Proximity Sensors and Magnets

I recently decided to upgrade to auto bed-leveling using an inductive proximity sensor and an aluminum build plate on my Prusa i3. I also wanted to try to secure the build plate using neodymium ...
7
votes
3answers
18k views

Would using a leadscrew with 1 or 2 mm lead, en lieu of 8 mm, result in a better printer?

By "better" I mean "more precise"... With respect to a RepRap P3Steel or Wilson II, I am getting some 330 mm T8 leadscrews for the Z-axis movement. There seems to be a choice ...
7
votes
2answers
818 views

Can cheap hotend parts sourced from China actually produce good prints?

TL;DR Is it possible to build a hotend, using separate parts, sourced on eBay, from China, and still achieve a high quality print? In my opinion, the E3D V6 hotend is rather expensive, at $/£70, ...
6
votes
2answers
8k views

Carbon fiber instead of smooth steel rods?

I have a long 8 mm smooth steel rod of about 55 cm long. This rods bend easily due to the length. If I replace them with 8mm solid carbon fiber rods, will the bending reduce? Will the ...
6
votes
2answers
376 views

What parts are strictly necessary for a 3D printer?

I've built the mechanics of my 3D printer myself, because I need to print parts that are really huge, (and for budget reasons). So, I already have the 3D movement functionality. But what I need now, ...
6
votes
3answers
524 views

HDPE as the body of a 3-D Printer?

I've been working on my own DIY 3-D printer recently, and I've been trying to experiment a little with different materials for the body. Someone suggested using HDPE (high-density polyethylene), since ...
6
votes
3answers
735 views

Lead screws - M8 instead of M5?

I am building a Prusa i3 MK2S (Dolly). I find it very difficult to find M5 rods for the Z axis, I have an M8 lead screw with 8 mm lead, So I thought since M8 is widely available online I could ...
6
votes
2answers
3k views

Prusa i3 Z axis only goes down (even on up command)

I have just finished building a Tronxy P802M Prusa i3. When I try to move the Z-axis, using the hardware buttons in the LCD menu (without a computer connected), it only goes down, when I both ...
6
votes
1answer
2k views

What are the advantages/disadvantages of using synchromesh cables instead of belts?

Some 3d printers use synchromesh cables instead of belts. For example, the Deezmaker Bukito (http://bukito3d.com/) and a number of RepRap conversions. Photo from http://christophergranz.com/?p=449 ...
6
votes
2answers
1k views

What are the appropriate ranges of gear ratios for 1.75 mm and 3 mm filament extruders?

Most 3 mm (mostly are actually 2.85 mm) filament extruders have some kind of gear reduction. Many 1.75 mm extruders are direct-drive / ungeared but some do use gears. What kind of ...
6
votes
1answer
1k views

What else can I use for a 3D Printer frame?

I am building a 3d Printer here: Build Volume: X:300mm, Y:300mm, Z:400mm Mechanism: 1 motor, 2 leadscrew, 4 rod Z-axis; CoreXY head movement Belt: GT2 6mm Steel Core Pulley & Idler: 20T 6mm, Bore ...
5
votes
2answers
294 views

Using an Anet A6 3D printer in the UK... (mains voltage issue!)

I understand that this is probably more of an electronics question, but was hoping that someone with experience of using an Anet A6 in the UK (or a country outside of the US/China) may be able to help....
5
votes
1answer
1k views

Why do 3D printers have only one limit switch?

I have seen that many 3D printers have only one limit switch for each axis, how does it know where to stop on the other end? My first guess is that the machine knows how big the plate is, and ...
5
votes
1answer
148 views

Why not use GT2 en lieu of a Z-axis threaded rod or leadscrew?

Having just re-read Tom's excellent answer to my question Advantages of GT2 over a rack, as my comment ponders1: Why is a threaded rod, or lead screw, used for the Z-axis movement in a Prusa (and its ...
5
votes
2answers
336 views

How to properly use Polyisocyanurate (PIR) foam with the heated bed?

From what I understand, it takes a really long time for the heated bed to heat up using an MK2a heated bed. I've heard some people suggest that using Polyisocyanurate (PIR) foam (insulation that ...
5
votes
1answer
180 views

Ender 3 V2 error message

I bought an Ender 3 V2 printer and printed successfully with PLA and PLA+. Ender 3 V2 is rated at <= 250 °C but when I set temperature above 200 °C to print to PLA+, I get an error message "...
5
votes
1answer
789 views

Z axis issue with Ramps 1.4

I just installed a Ramps 1.4 board on to my Anet A8. Everything worked as it should except for the Z axis motors. The Ramps board I have contains two headers for each Z axis motor. When both motors ...
4
votes
4answers
239 views

3D printer out of normal printer (HP PSC 1315)

I thought as a fun project to make my own 3D printer out of a normal printer parts + some parts out of old CD-ROM drives that are lying around. The printer of my choice is an HP PSC 1315 one. But I ...
4
votes
3answers
424 views

Complete list of fasteners for the Sintron Kossel

TL;DR I need a complete list of fasteners (bolts, nuts and washers) for the Sintron Kossel. Has anyone bought this kit, and knows the answer, or knows where this is documented? A complete list would ...
4
votes
7answers
5k views

Is it a good idea to include thermal fuses in a DIY 3D printer design?

3D printing should be relatively safe, however, the inherent nature of 3D printers, with all of the heated parts, constitutes a fire risk. A well designed 3D printer should be designed to be as safe ...
4
votes
2answers
1k views

What does the trimpot on my Switching Power Supply do?

On my Switching Power Supply there is a little orange trimpot that's marked VR1; what does that do, and does it work similar to the ones on the stepper drivers?
4
votes
1answer
1k views

Herringbone timing belt?

I realized while playing around with 3D printed gears that it would be easy to make a 3D printed herringbone-style timing belt and matching gears/pulleys. Would such a design have any advantages over ...
4
votes
3answers
4k views

true color printing with CMYK+White (not 3-in-1 diamond head RGB)

There is this great hotend called a diamond hotend, which can be used to print in 3 colors and mix them into hundreds? of colors. This can for example be used with Red, Green and Blue filament to mix ...
4
votes
1answer
202 views

Can I repurpose most of the components of this Prusa clone for a Delta?

I have a generic Prusa clone that I'm not using (my primary issue with it is the lack of rigidity in the frame housing as built). Will the motors (ks42sth40-1204a) and controller that come with it be ...
4
votes
1answer
500 views

Anet A8 - hot end temperature still same

I've recently purchased Anet A8. First print went well, but now, the hot end temperature stays at ~230 °C. When I touch it, it is still cold. I tried the thermistor, and it correctly changes ...
4
votes
1answer
2k views

How to properly read dimensions for a 3D printer?

I'm trying to find the correct way to read and understand the dimensions of a 3D printer. For example, if I read the following dimensions for the Robo 3D R1 Plus as 10x9x8 Inch - I want to know what ...
3
votes
3answers
961 views

Ball screw: Maintaining Z axis position when motor is OFF

I'm building a 3d printer of size 500 x 500 x 500 build area. For the Z axis, I'm planning to use this Linear actuator. The maximum weight Z axis might encounter is 15 Kg due to it being a clay ...
3
votes
5answers
2k views

Choice of lead for lead screw

This video brought to my attention the 8 mm lead of the Ender 3's Z axis screw, which seems like an exceedingly bad choice from a standpoint of accuracy with respect to common grid alignments in the Z ...
3
votes
2answers
220 views

In the standard PC Cable Wire that goes from the wall outlet to the switching power supply, are they standard and what are the wire specifications?

What are the specifications of the three wires inside a PC cable that is used to connect the switching power supply to a US AC outlet. The positive, negative and ground appear to be the same gauge ...
3
votes
2answers
3k views

Advantages of GT2 over a rack

Many 3D printers employ a GT2 band for the y-axis plate and the printhead in the x-axis carriage. However, there seems to be the obvious disadvantages of: stretching (and need for adjustment) and; ...
3
votes
2answers
80 views

Lead screw orientation

Wouldn't it be better to mount lead screws with the motor on top and the bottom end unconstrained? Compared to the conventional way (motor on the bottom) the lead screw would be under constant tension ...
3
votes
1answer
225 views

What size is the lead screw

So I am fairly new to 3d Printing and have a question that is probabley stupid. I built a 3D printer kit a while back but now I want a large printer to play with. I would like to build a 300X300X400 ...
3
votes
2answers
184 views

Sunhokey Prusa i3 axis x, y, z?

My Sunhokey Prusa i3 arrived with a corrupted disc. I'm awaiting a new one and finished the mechanical build via YouTube videos. I've no clue which motor controls the X, Y, and Z, axes. I"m not even ...
3
votes
1answer
467 views

For a larger build volume, what lengths of 2020 aluminium do I need?

TL;DR How do I upscale a Wilson II? What lengths of aluminium1 do I need in order to achieve a particular (increased/reduced) build volume? The design of the Wilson II is scalable (source: RepRapWiki ...
3
votes
1answer
1k views

Can you replace broken 100k thermistor with thermocouple - potentially blown analogue input as well

I have bought myself an I3 3D printer - it comes with a thermistor which is then placed into a hole in the hotend and held in place by a grub screw. Sadly due to my lack of care I managed to crush ...
3
votes
1answer
497 views

Analytic equations to make algorithm of 3D printer

I have a project in the 3D printing. the aim of the project is to realize the control of the 3D printing. the type of the printer is a printer with cables. the problem seems to have some ...
3
votes
2answers
822 views

What are the tradeoffs of a cantilever printer design?

There are several cantilever-style printers around like some DIYs (2018), the TronXY-X1, the Monoprice Select Mini, Tiertime's Cetus line and the 2019 Prusa Minilinks for information, no affiliation. ...
3
votes
1answer
103 views

How do I determine that the electronics are working with the test firmware?

You may want to use this code to test all the electronics before installing any of the suggested firmwares. From Final Step in the RAMPS 1.4 Wiki There's a bunch of code in the sketch, and it ...
3
votes
1answer
333 views

Geeetech GT2560: Electronic safety and power source

I'm about to build myself a 3D-printer. After a long search for a brain for this one I came across the GT2560 from Geeetech, because it leaves a solid impression on me. The manufacturer himself has a ...
3
votes
1answer
931 views

Prusa I3 starting print above heating bed? [closed]

So I have been going through modding my printer and I have come across a new problem that I have not had issues with before. My 3D printer will start to print above the heating bed even though it gets ...
3
votes
1answer
754 views

Printer goes beyond the bed when auto leveling

I am trying to add auto bed leveling to my Prusa i3. When I run G28 my printer hits the X and Y end stops properly, then it assumes X=25, Y=99 position on the bed ...
3
votes
1answer
5k views

Prusa i3 Z axis not moving up

I just got a Hictop Prusa i3 printer and I have it fully assembled. When I tested out the motors to check them the Z-axis motors were not moving and it was making a grinding sound. I have lifted the ...