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1500 questions
10
votes
3 answers

What are the "magic numbers" on a Monoprice Select Mini?

What are the "magic numbers" people refer to regarding print resolution on the Monoprice Select Mini?
Mark Harrison
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4 answers

Identifying the plastic type of an unknown spool of filament or recyclable waste

Is there any way to test what kind your filament is? There are no labels on the spools and I don't know whether they are ABS or PLA. I got the plastic with the printer, which is no longer sold (Solidoodle 2). Since I bought it on eBay that is…
Noah Cristino
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10
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1 answer

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 it is possibly reading the G-code incorrectly. It…
10
votes
1 answer

Holes/ missing layers (after retraction) in 3d printed objects

My printed objects have horizontal holes in them (as seen I the picture below): This doesn't only look bad it also makes the object break at the seems. Looking carefully at the printing process I can see that after a retraction there's a small…
Nir
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10
votes
2 answers

Firmware Choice: Marlin vs Repetier vs Other

We are custom building a Cartesian 3D printer to be used in a production 3D printing environment, with the following requirements: Intended Z resolution 0.13mm; Dual extruders (primary + support material); Four spools (two per material with y…
Mtl Dev
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10
votes
3 answers

Endstops will not trigger using Marlin Firmware

I have an old Solidoodle 2 that I bought broken from a garage sale that I am converting to use RAMPS 1.4 with Marlin Firmware. All the motors work correctly, I am just having issues getting the endstops to work. I am using a regular limit switch…
Airfield20
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10
votes
1 answer

Do I need a heated bed for printing PLA in an enclosed printer?

I am planning on building a large enclosed (Cartesian XY-Head) 3d printer. I want to keep the inital build time minimal and it is very likely I would need to build the ~50x50cm heatbed from scratch, because it doesn't exist in ebay. The enclosure…
allanlaal
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10
votes
1 answer

Z offset incorrect

Repetier host 1.6.2. Used Slic3r and CuraEngine in RH1.6.2 to slice my prints. OK, I have a problem. Z offset does not work. Well... Flashed EEPROM clear. Enabled EEPROM and CHIT CHAT within the firmware. I've set -0.4 in Marlin firmware 1.0.2-1…
MOTIVECODEX
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10
votes
4 answers

Height of printed part is incorrect

I have a weird problem with my old 3D printer, it is a Prusa/Mendel type. When I print a 20 mm cube, X and Y are correct, Z is resulting 16 to 17 mm. I have checked the correctness of the movement on Z using the manual controls and there are no…
FeliceM
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10
votes
2 answers

Ultimaker Layer Resolution vs Nozzle Size

On their website they say the following 0.25 mm nozzle: 150 to 60 micron 0.40 mm nozzle: 200 to 20 micron 0.60 mm nozzle: 400 to 20 micron 0.80 mm nozzle: 600 to 20 micron That confuses me. Why can I go down to 20 micron with the 0.40, 0.60 and…
an3k
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10
votes
2 answers

Prusa i3 hotend not getting to the temperature that I want (180 to 230 celsius)

I recently finished building my first printer. The only problem that I'm having is that the hotend is not getting hot enough to start printing with PLA (180 to 230 degrees celsius), the hotend getting hotter stops at 170 degrees. Please help I've…
10
votes
4 answers

Issue with weird heated bed temperature fluctuations

I have a strange issue with my heated bed. It has been working well for a long time, but recently it has developed an issue where the temperature reported by the thermistor will occasionally jump by around 10 degrees. My setup is a 600W, 240V…
Tom van der Zanden
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10
votes
2 answers

Is the weather a problem for MDF frames?

I've acquired all the parts to build a Reprap Prusa i3 rework, the only missing part is the frame. I'm in doubt between a MDF cut (cheaper) or acrylic (more expensive), of course a cheaper one is my preferred option until I see any disadvantage on…
André Teixeira
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10
votes
5 answers

How do I calculate the cost of a 3D print once it's done?

How do I determine how much an individual print costs? I'd like an answer including support material, failed prints, and (ideally) wear and tear / printer maintenance costs. To clarify, I'm not asking how to predict the cost before printing, but…
Marsh
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10
votes
3 answers

Methods for applying full color graphic decals to the surface of a 3d printed part?

I'm trying to find a way of applying graphics to my ABS printed parts. I need a robust method which can produce a decent amount of detail with true color and legible fine text . I also was hoping to avoid the use of stickers and opt for something…
Logic1
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