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votes
2answers
195 views

Why are delta bots so finicky?

I've had my anycubic kossel for a good while now, and whenever I print something, it seems like it falls out of calibration very quickly. The biggest example is that the prints tend to scale up as the ...
1
vote
2answers
42 views

OpenSCAD weirdness with imported STL

I've tried to remix this model: https://www.thingiverse.com/thing:90933 (Bauhaus chess set) by scaling it down and inserting little magnet holes into the pieces' underside. My SCAD file looks as ...
0
votes
0answers
9 views

Changing printspeed at any point

I'm using Cura in Repetier Host and i'm looking for a Plugin like Tweak at Z but it has to work at any point in the model, so that i can "paint" the modell with colors and when i'm slicing it, the ...
3
votes
0answers
38 views

Arduino Mega and RAMPS 1.4 not responding

I was working on upgrading my Anet A8 to a RAMPS 1.4 running on Marlin. I had everything ready to go and had plugged it in to see if it worked. It seemed to be working so I tried to home it and my y ...
4
votes
2answers
77 views

How do PLA, PETG, TPU, ABS and/or nylon work together in a single print?

I have a dual-extruder printer with a separate heating element for each head, thus able to combine materials in a single print job even if they don't share a single temperature range. Now the ...
1
vote
2answers
61 views

Raised shell edges on ocarina print. RF1000 sliced with Cura Engine

I am trying to print a 12 hole Ocarina I found on thingiverse. When printing I have to stop it around 25-30 layers because the edge of the shell is higher then the infill. G-Code of first 30 layers ...
0
votes
2answers
43 views

Printer head too low when printing

Problem My CR-10 printer seems to be trying to print the model 4 or 5 layers too low. This means that for the first few layers, the printing nozzle is forced against the bed, preventing extrusion ...
2
votes
0answers
21 views

Wanhao Duplicator i3 Mini - Not reaching temperature -> screen freezes

I have been having some issues with my Cocoon Create Model Maker/Wanhao Duplicator i3 Mini. The hotend doesn't get up to temperature. I will go to any of the heating functions (start print, preheat, ...
1
vote
1answer
57 views

How can I become a certified Fusion 360 user?

I heard about the certification program from autodesk website. How can I prepare and write this certification exam as a student? I already started using fusion 360 about a month.
0
votes
2answers
97 views

Can I use a 12 V single channel optocoupler module in a 24 V machine?

I have a Tevo Tornado Gold 24 V. I want to use this LJ12 A3-4-Z/BX Inductive NPN NO 4 mm with 6-36 V operation current as a Z probe. I do not want to fry my machine by putting in 24&...
2
votes
1answer
22 views

RAMPS 1.4 Stepper's not getting a good signal

Running on the Marlin 1.1 firmware, for this issue, most other variables of the printer can just be assumed (It's a CoreXY design, but think i3 for my current testing). (Highlighted my only lead in ...
2
votes
1answer
53 views

How to fight lots of stringing with PLA at low temperature (185 °C)?

I just got my first 3D printer (Creality Ender 3) on Friday, 2 days ago. It works great, but for some reason I'm getting a lot of stringing on my prints, especially the ones where the extruder head ...
1
vote
3answers
54 views

Bigtreetech upload stalled after uncommented REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER

I recently bought a BigTreeTech SKR V1.3 and uncommented REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER and clicked the upload button but faced an error that says: <...
0
votes
0answers
18 views

Flashforge Adventurer 3 Extruder-heater randomly switching off

I've had the printer for about 3 months. I've been doing alot of printing. The last couple of weeks it has started randomly not completing prints. Upon closer inspection the extruder heater stops ...
1
vote
1answer
56 views

Why do my prints have such a rough surface? (Taz Lulzbot Pro)

Model: Taz Lulzbot Pro Things we tried to get it to work: Tried both ABS and PLA Hatchbox brand Uploaded new set of settings from another printer of the same brand that works using the hatchbox. ...
1
vote
1answer
27 views

Y-axis layer shifts with recent Marlin on Ender 3

Since upgrading from the manufacturer's firmare to recent Marlin (first 1.1.9, then 2.0.x git HEAD), I've been having significant model-dependent (didn't happen for first few things I tried to print; ...
1
vote
1answer
41 views

Ender 3 has developed a tendancy to skip Y steps

Recently my Ender 3 has developed a problem of skipping Y steps (layer shift in the Y direction), and it seems to be getting progressively worse. I'd never experienced layer shift before a few weeks ...
0
votes
1answer
21 views

LCD for SLA 3D Printer Resin Curing

I'm doing some research on what types of LCD displays can be used to filter and pass UV light for resin curing - specifically in the context of building a DIY 3D SLA printer. The community commonly ...
1
vote
1answer
40 views

Can 3d printers be operated at voltages above 24 volts?

Going from 12V electronics to 24V produces a reduction in the overall amount of heat generated in the electronics (that are not intended to get hot). These include the motors, drivers, mosfets and pcb ...
0
votes
0answers
12 views

Pronterface manual move error

I wonder if anyone has encountered this error message "Clamp manual moves" option) from Pronterface while attempting to move along the X, Y, and Z axes? I just ...
3
votes
1answer
133 views

What filaments allow air to pass but not water vapor?

In some situations it useful to have a material in which air passes but water, and water vapor, does not. Printing cell membranes or cases for something that must be immune to humidity changes (like ...
1
vote
1answer
22 views

Problems with Z-axis: Z-axis raised not enough at the beginning

My printer had some Z-axis issue. Here are the details: When I was printing a model, the bottom of the model got bumpy edges(as shown in pic), and the height of the model was a little bit shorter(...
-2
votes
0answers
21 views

Wondering about iMessage security over work WiFi? [migrated]

I work for a very large, tech heavy organization and I use WiFi at work - been there for many years and have been using their WiFi the whole time. I also use iMessage almost exclusively and I’m ...
1
vote
1answer
20 views

Setting the startpoint of the EZABL 3x3 mesh

How do I set the startpoint of the EZABL 3x3 mesh. The startpoint is hitting my bed clip.
2
votes
1answer
74 views

Ender 5: Bowden tube shifts in/out of extruder during retractions

I have an Ender 5 with an aluminum extruder that was printing beautifully for a few days after building it. I received a Capricorn bowden tube and new couplings as a gift, and replaced those, and now ...
0
votes
0answers
30 views

3D printed object can't print straight upward [duplicate]

I have a weird problem, my object base starts good and then as the object goes to the next layers it is off centered. I have a picture to better explain.
2
votes
1answer
57 views

What clearance should I leave between parts that are supposed to fit together perfectly when using a .6mm diameter nozzle?

Here's the thing that I'm working on putting together (the purple stud on the bottom right should be up higher like the one on the left). Notice how the purple studs fit into the red ring? Well, most ...
1
vote
1answer
23 views

Uneven motion in X and Y directions after attempting to adjust Z motion in ADVI3++

A few weeks back I updated my Monoprice Maker Select Plus from the stock firmware to ADVi3++ 3.0.2. I've put more than 20 prints through the machine since then and everything has been fine. One of ...
1
vote
1answer
47 views

Marlin on Arduino Mega 2650 and RAMPS 1.4

I have been messing around trying to flash marlin 1.1 onto my Arduino Mega 2650 and RAMPS 1.4. I have Managed to get it to upload fine however it will not upload with the LCD I want. I am trying to ...
3
votes
2answers
866 views

What are the effects of the elements on 3D printed objects made with “infused” PLA

I came across a new Steel infused PLA from Colorfabb. On the store page someone had asked, what happens if it was exposed to water, would it rust. I am actually, not sure what would happen. I am ...
1
vote
1answer
32 views

Inconsistent Layer Issues

I was having some issues with printing, most noticeably in this picture: The layers are very noticeable and sometimes have gaps, and the overhangs don't print very well (although the former is more ...
1
vote
1answer
15 views

Printer doesn't lift Z between each probe

I don't remember making a change to marlin but today when I tried to probe my bed my Z probe homed and slowly went downwards until the probe detected the first point. then without lifting it it just ...
2
votes
1answer
31 views

Auto home issue on ender 3

I own a Comgrow Creality Ender 3 3D Printer Aluminum DIY with Resume Print 220x220x250mm I am a newbie and last night finally got a halfway decent print, but tonight I went to Auto Home it and it ...
2
votes
1answer
25 views

Is a BLTouch probe used during a print after the first layer?

I was looking at a BLTouch probe, and saw the recent question about one with intermittent failure. That was kind of scary, where I might spend a bunch of money for something that would make my printer ...
2
votes
0answers
41 views

Walls are sometimes porous

I have a Tronxy P802E, which works pretty well for me. I currently use Ultimaker Cura 4.1.0. However, I occasionally get a weird problem where the walls in certain parts of certain prints will be ...
1
vote
1answer
23 views

Getting started with converted STL to DXF [closed]

I converted the STL file through an online converter https://www.cadforum.cz/catalog_en/stl2dwg.asp (I work in the program autocad 2017) Now I open the resulting DXF and I don’t know how to work with ...
0
votes
1answer
46 views

Chalk objects: 3D Printed or Molds?

I am thinking about making something from chalk. But can chalk be printed into shapes directly or is it better to shape it with printed molds? What kind of material would be suitable for a mold for ...
1
vote
5answers
107 views

What stepper motor to use in heated chamber

I want to build a 3D printer with a heating chamber of around 90 °C with build area 200x200x200 mm. I have never build a CoreXY system, so my design is currently an XY system with moving ...
3
votes
2answers
77 views

Spindle DC motor and drill bit specifications for Circuit etching CNC machine

I'm making a Circuit etching machine (CNC) and I need a good DC motor and drill bit for the spindle. My machine should be able to etch, drill, and cut: Etching: take copper off the surface like ...
1
vote
0answers
21 views

how air gap and raster width are related to each other in FDM process? [closed]

In FDM process, what is the relationship between air gap and raster width? are they depended on each other or are they going to get influenced by the nozzle diameter?
1
vote
1answer
42 views

Ender 3 under extrusion

I have a new Ender 3, it was printing fine using the Ultimaker Cura 4.1 slicer. I printed about 1/2 a roll of blue 1.75 mm filament through a 0.4 mm nozzle. All my prints were Ender 3 mods (...
4
votes
2answers
119 views

How to estimate the printing time of a 3D printer from an STL file?

My local library has a 3D printer (Lulzbot Mini) for patrons to use. The prints are limited to 4 hours and if I go after work I really only have two hours before the Library closes. The software at ...
1
vote
0answers
18 views

first layer unstable

I have been using my MK3 for about a year with no problems, but a couple of weeks ago I started to have the following issue: the printing head loses its first layer height calibration, apparently for ...
1
vote
0answers
22 views

Proper hotend heater for Reprap x400 Pro V3

I'm trying to verify the correct hotend heater for a Reprap x400 Pro V3. I know a 12 V 40 W doesn't work. A working heater measures 4.4 Ω, so I'm guessing it is a 12 V 30&...
1
vote
1answer
25 views

Botched firmware upgrade - did I destroy the stepper drivers?

I attempted upgrading my Ender 3 firmware to Marlin 1.1.9, and due to inability to find the directions about the Sanguino variant pin layout file, stupidly built with the "standard" (Arduino) file. ...
1
vote
0answers
43 views

Square sheet in middle layers

I'm using a Tronxy Ultrabot (looks very similar to Anycubic Photon) and I'm still on my first prints. Things that happened thus far: many failed prints that stuck to the resin tank, one which I had to ...
4
votes
4answers
1k views

Why keep the bed heated after initial layer(s) with PLA (or PETG)?

I'm printing on an Ender 5 with the default flex/magnetic build surface. I read that PLA and PETG may sometimes be printed without any bed heating at all and also that bed heating is the main ...
0
votes
1answer
39 views

Please suggest parameters for 0.5 mm diameter nozzle [closed]

I am building an FDM machine on my own. I am not using any commercial software. So I have a lot of questions regarding the right parameters to choose. I am having 0.5 mm diameter nozzle. What are ...
0
votes
0answers
20 views

Export Revit file for Fusion 360 3D Print

I have a 3D printer hooked up with Fusion 360. I have a 3D drawing in Revit. What format should I export to in order get from Revit to Fusion 360?
1
vote
4answers
71 views

Under extrusion when starting outer wall

See the pictures below. I have a severe under extrusion when the printer starts the outer wall, which is resolved by the time it finishes the outer wall. It starts the layer in the same place every ...

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