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7 votes

What is the life expectancy of the Kossel?

Much like your car, the number of miles, or the number of prints that you can get out of it is entirely up to how well you can maintain it. A 3D Printer is a machine, and a machine needs general ...
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  • 1,882
5 votes
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How to build the extruder motor holder for the Kossel Mini

Have a look at the image provided in this seller's part description. it probably says more than my words could (which would also only rely on images - your parts just looked like I saw them somewhere ...
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  • 2,854
5 votes

Kossel accumulates error along Z axis

After some more testing I checked that the problem shows up only on Z tower and is not related with current. Examining the tower I found very dumb mistake. Pulley on the motor didn't have a setscrew! ...
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4 votes
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Bed leveling method not working with Repetier firmware 0.92.9?

As a guess, you are using the wrong command. If set for n x n grid, you get 3 point measurement with G29, but that is not auto leveling, it is just setting Z height - based on average height at 3 ...
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4 votes

Kossel accumulates error along Z axis

According to discussions in comments, I'm pretty sure the problem lies in too low current. Please review this answer to How do you make sure you have the right voltage on the trimpots on a A4988 ...
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  • 3,438
4 votes
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Getting wrong measurements on my Kossel Linear Plus after installing SKR 1.3 with Marlin 2.0

So the problem was that the TMC2208 were wired for UART mode, yet Marlin was configured for standalone, which apparently makes them work, but with completely wrong step sizes. Changing it in the ...
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3 votes
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Print quality of Kossel clone for Print in Place models

Delta printers are considered to be able to be accurate printers cause of the limited weight in the head (using Bowden extruder setup). The positioning can be very accurate (limited weight, limited ...
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  • 30.6k
3 votes

Complete list of fasteners for the Sintron Kossel

For the M3 t-nuts, could you use this printed solution. You are just attaching a PCB; so, it you wouldn't need that much strength. Another excuse to use your 3D printer. ;)
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  • 2,412
3 votes
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Looking for files for printed parts for my Kossel XL kit from Builda3Dprinter.eu

I bought 2 of these kits 4 years ago, and I have been really pleased with the quality of the kits and the results. Sadly this supplier is no longer trading, as he could not compete with low cost ...
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3 votes

Complete list of fasteners for the Sintron Kossel

I found two lists for the Kossel mini (the documents you referenced are for a mini, so that is what I am assuming you got). One as a Google Doc and one as an order sheet Both seem to list all the ...
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  • 2,412
3 votes

Distortion calibration on XY plane in Repetier

Skew distortion in deltas means there is something physically wrong with your printer build, such as the towers not being evenly spaced or being tilted. The first thing you should do is confirm the ...
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  • 6,446
3 votes

Bed leveling method not working with Repetier firmware 0.92.9?

Delta bed leveling has been dodgy in Repetier for a long time. There are a number of fixes occurring in the dev branch right now (June 2016) if you look at Github. So it's getting better, but I wouldn'...
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  • 6,446
2 votes

What are the modifications on this Kossel?

Cool you placed my Kossel Mini on Stackexchange! What I have modified to the standard kit: Retractable probe using RC Marlin (Rich Cattels Marlin with auto bed probe functionality). Never have to ...
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2 votes

Pronterface won't connect to my Anycubic Kossel Linear Plus

I know this is coming very late, but I'll post anyway in hopes that it may help somebody else experiencing the same frustration. I received all of the same suggestions again and again on the forums --...
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2 votes

Delta Kossel 3d Printer Heatsink issues

When assembling the hot end tip, make sure you screw in the extruder tip to the aluminum block first, then screw that assembly to the heat sink fins. On my Kossel, I did it the other way around, and ...
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2 votes

Partial underextrusion in walls

Localized underextrusion usually means you're oozing material somewhere it wasn't supposed to go. Since you have Marlin 2.0, linear advance might help solve that, and in general right retraction ...
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2 votes

Anycubic Kossel Plus raises the Printhead around the corners of the bed too High if the print is too close to the corners

It is a common problem with "delta"-style circular parallel kinematics machines. It is called Bowling. It can lead to the presumed Z=0 plane having a bowl-like shape. The actual error shape can be ...
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  • 4,418
2 votes

How to draw kossel delta corner in fusion 360?

I attempted to create your drawing but discovered that an important set of parameters is missing. You have to have either the intersection point of the legs (73.34) from each side or the angle between ...
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  • 9,847
2 votes
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how to level kossel's endstops?

First, you should make sure that printing surface is adjusted correctly: it must be perpendicular to all three delta columns, all other adjustable parts must be checked and adjusted if necessary (...
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  • 868
2 votes
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Complete list of fasteners for the Sintron Kossel

After examining the guide (Kossel mini instrution by sintron technology_v2) and the printed parts kit, I came up with an 99.9% complete parts list. The lists relating to the effector and autoprobe ...
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  • 5,717
2 votes

Getting wrong measurements on my Kossel Linear Plus after installing SKR 1.3 with Marlin 2.0

I would check the "steps per distance" setting. If the motors were moving more than the firmware thinks, the height would measure as shorter than actual (since the number of steps would be less than ...
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  • 4,418
2 votes

Printing half size after board replacement

Data from Firmware is not written into EEPROM on its own after updating your firmware. You need to send a M502 to "seed" the firmware numbers as that is ...
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  • 19.4k
1 vote

Print quality of Kossel clone for Print in Place models

It is possible that your printer is over-extruding, and this will certainly give less satisfactory results when you try to print models which have internal clearances. It is also possible that you ...
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1 vote
Accepted

Delta printer misalignment at first few layers

Finally I found out that it was caused by not enough torque output by B tower stepper motor. Increasing current didn't work. I replaced the stepper motor and it prints perfectly.
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  • 243
1 vote
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How to draw kossel delta corner in fusion 360?

I love me a challenge so I just hacked this together: (a half waiting for mirror) As for strategy, I simply used the line tool to do a basic shape and then went to town with constraints and ...
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1 vote

How long are the carbon fibre rods for a Travelling Kossel?

To compliment tjb1's answer, The link seems to go to a spreadsheet that doesn't have any formulae in it. However, I managed to find a copy, from Google groups: How to calculate Delta Dimensions for ...
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  • 5,717
1 vote
Accepted

How long are the carbon fibre rods for a Travelling Kossel?

Most information I was able to find was the arms are 80% the length of the horizontal structure. I did find a copy of the original Google Sheets that everyone used a few years ago here. The source ...
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  • 2,090
1 vote

Pronterface won't connect to my Anycubic Kossel Linear Plus

I recently purchased and assembled the Anycubic Kossel Delta printer and ran into the same issues. I found that if I tried to connect with "COM 1" first, it would error out, then when I switched to "...
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1 vote

Pronterface won't connect to my Anycubic Kossel Linear Plus

Only one application can access the Arduino Mega board, via the COM port, at a time. Sometimes, the software can get confused, and keep hold of the COM port, although this is unusual. For example, ...
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  • 5,717
1 vote

Pronterface won't connect to my Anycubic Kossel Linear Plus

I know this may be a little late, but I bought the same printer and found that I had problems also. To fix this connection issue I first made sure I had no arduino programs open that were trying the ...
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