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19 votes
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Should I enclose my 3D Printer?

It is hard to tell whether you personally should enclose your printer. However, you asked for the advantages and I will name some of them on which one can base a decision. A 3D printer enclosure ...
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  • 2,844
15 votes
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How many times printed printer can print it-self?

The files used to print these objects are digital, and do not degrade in any way after each printing. There are no side effects or degradation that occurs over time due simply to printing them ...
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  • 1,803
14 votes
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What's the advantage of two z motors?

There are three main options here for Mendel style ZX gantries: One Z screw and motor, which is similar to a cantilevered design but somewhat more stable because of the opposite smooth rod Two Z ...
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  • 6,446
11 votes

Should I enclose my 3D Printer?

@kamuro provided an excellent answer, so I'll just try to add by playing devil's advocate. Possible things to look out for: Inappropriate enclosure could result in more temperature differences, ...
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  • 6,214
10 votes
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Tips for not burning out my Arduino Mega or catching something on fire when wiring a Prusa i3?

Polarity matters, sometimes. Be especially mindful of the wires from your power supply to the board, as getting those the wrong way around will definitely cause damage. Heated beds and extruders are ...
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8 votes
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How does the home position work on a Prusa i3 RepRap Printer?

It works like you describe, but it does not move all axes at the same time. It first moves the X-axis, subtracting steps while the X endstop is not pressed. When the X-axis is is homed (the X-endstop ...
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7 votes
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Laser cutting on RepRap

Please do not go down this road. First, not all lasers are equally absorbed by the material and the energy converted to heat to vaporize the material. The light not absorbed is reflected right back ...
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  • 86
7 votes

How thick does an aluminum print bed need to be

Main factors that control the process of the print bed selection are weight: too thick plate increases inertial force, limiting maximum acceleration/jerk (decreased print speed) stiffness: too thin ...
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  • 858
6 votes
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How to make your own 3D printer?

Yes, look at http://reprap.org for a project that's been doing what you're asking about for about a decade now.
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6 votes

Is the weather a problem for MDF frames?

I want to add the following to the already direct and very good answer of @Dani Epstein. It does not answer your question, but hopefully may help many people who are reading the question when choosing ...
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  • 2,844
6 votes
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Connector Suggestion for Extruder and Heatbed

You might be able to use one of the connectors (Deans Ultra, EC3, XT-60/30, Bullet) that are normally used for RC models. They're made for very high currents. The XT60 connectors depicted below are ...
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6 votes

How many times printed printer can print it-self?

The reprap printers have often been compared to plants, providing fruits to you and the possibility to reproduce themselves. This analogy holds in both good and bad ways. Any life form can reproduce ...
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6 votes
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Can I repurpose the ISP pins in the lower right corner of the Melzi board?

In theory, you can; but, you may need those pins to attach an external programmer to bring your system back to life when playing around with the code. Here are a couple of articles that could help if ...
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  • 2,402
6 votes
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Sharing a printer over a network

NOTE: This is not from personal experience, but I thought it was worth mentioning: Microsoft You've probably seen this already - I am not a fan at all of M$, but... Microsoft Plus Raspberry Pi Equals ...
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  • 5,707
5 votes
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Cloning the Marlin git repo while keeping my configuration.h settings?

Based on this answer, you need the following procedure: Stash your local changes using git stash Pull from remote repository using ...
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  • 223
5 votes

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

Looking at the specs for both the GT2 belt and the Synchromesh I'm very hesitant to recommend a Synchromesh over a belt. The first thing that sticks out is that there are both error and cumulative ...
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  • 1,493
5 votes

Laser cutting on RepRap

Strapping a laser to a cheap robot made with flammable plastic parts and no enclosure is stupid in the extreme. Don't do it. Seriously, just don't. RepRaps are not suitable for laser conversions. ...
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  • 6,446
5 votes
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Is the weather a problem for MDF frames?

Generally speaking, MDF will weather OK. In areas of high humidity you might experience warpage, but you can mitigate that by sealing the surface with paint or varnish. However you will probably find ...
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4 votes
Accepted

How is a J-Head Extruder Head attached to the Prusa i3 rework?

It looks like the hotend may not be all the way in, are you sure it's not stuck? If it's stuck and you can get it in further, those holes should go directly through the smaller ring on top of the J-...
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  • 2,090
4 votes

Tips for not burning out my Arduino Mega or catching something on fire when wiring a Prusa i3?

I'd say polarity and voltage are the biggest things -- about all you can do is double- and triple-check everything; then check again.... Be very careful about where you feed in 12V power (mainly for ...
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  • 3,161
4 votes

How many times printed printer can print it-self?

As long as you maintain each printer and keep a proper calibration, go for it, this is what they were designed to do, I've even made replacement parts for myself. Unfortunately the RepRap project ...
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  • 1,862
4 votes

Using an Arduino Mega with burnt voltage regulator

Take a look at Ryan's answer to my question. I believe the MightBoard is based on the Mega 2560, so it is possible that some of the other components could have been damaged. If you look at the ...
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  • 6,214
4 votes
Accepted

Which algorithm does Marlin use to create arcs?

The algorithm is based on the "Vector rotation by transformation matrix", and this solution is based on a solution from Jens Geisler. The formula for clockwise rotation is: More information about ...
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  • 101
4 votes

Connector Suggestion for Extruder and Heatbed

I agree with Tom's answer about RC connectors. Another good connector option worth considering is Anderson Powerpoles. They're "modular" so you can use them to assemble connectors with multiple wires....
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4 votes

G-code firmware for handheld plotter (Arduino)

Your question may be useful to people interested in 3d printing (the purpose of this SE Site) so, even though you're not asking a 3d printing question per se, I think this answer will be helpful... ...
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4 votes
Accepted

MINTEMP error after crash

After replacing the control board, it now prints flawlessly. Apparently,I really did damage the control board...
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4 votes
Accepted

Arduino Mega voltage regulator overheats with RAMPS board

I've solved unsoldering the diode(D1) on RAMPS. This diode provides to power the arduino board with 12V. If you have a chinese arduino this will probably cause some problems. I hope this will help ...
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  • 101
4 votes

Arduino Mega voltage regulator overheats with RAMPS board

I ordered an authentic Arduino Mega today after the voltage regulator on my Chinese clone Mega went up in smoke. But I couldn't wait two whole days so I dug around and found an old 7805 (less than US$...
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  • 141
4 votes

How to switch motor outputs and use E1 as X, in Marlin firmware?

When using Marlin firmware you could easily change the pin layout of the extra extruder (E1) with the broken X stepper pins by changing the pins_RAMPS.h file. Download the firmware and open the ...
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  • 30.4k
4 votes
Accepted

3D printer stepper motors only going one direction and skipping in the other

From an electrical standpoint, a two-phase stepper motors (what most 3D printers use) works the same backwards and forwards, the phase just reverses. If you are stalling on only one direction, I ...
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  • 2,402

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