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The new update

So i wanted to show the new version of the gantry carriage. The rest of the gantry is the same except for slight tweak that applies to the 300 only . I ordered 20 more of the tha carriage piece encase anyone wants to convert to the new modular design. This adds another way to mount the mosquito and also the mosquito magnum plus now shoudl be possible “haven’t been able to test in real life yet ” Also adds takoto compatibility and makes it possible to quick-change the hotend and extruder. The best part of this is i plan on having future upgrades available that we can simply swap the plate with 2 bolts and then also have the chance to try and make a toolchange setup without having t5o redo anything else . Theodore has also asked me to make a 9mm belt version so i had already drawn it up and i will make a small amount  of 9mm belt setups for those that want to run large servos or something where we may see an advantage. I will test that soon though. Will be doing a giveaway as well

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Gantry install

This is a 3d view that can be exploded showing the install.

password is a3dp

This is all needed files for the install

First step is to make sure you have all the parts needed for the install including stls from the other post.

Tools needed

  1. M5 allen key for removing the bed “the kit that came with the printer includes all allens needed
  2. M3,M2.5,M2,M1.5 allen keys a ratchet can be handy
  3. Philips screwdriver
  4. 6mm and 7mm socket

Remove the front and side lower panels and it is helpful to remove the acrylic panels to. Then remove the black acrylic surround that is around the bed. Be mindful to remove the bracket that holds the z cable chain otherwise you will have a very hard time removing the surround

Next remove the bed by removing the 4 m5 allen bolts . alternatively you can place the printer on its side and remove the bottom

Remove the toothed idler from the front brackets and run belt around the z belts instead of through. XY mounts need spacer under idler but on top is not important you will have an extra set from the toothed idler being removed in the front
with brass spacer and 2 top t nuts “only rec one and brass standoff not needed”
Shows dragon installed with Berd air
Run wires behind the belts

The first thing is to make sure that you have plenty of time and have printed all needed parts which is the

  1. 2 retainer pieces
  2. Cable chain “if was preorder”
  3. Orbiter housing from gdrive to convert the extruder. “Install the new orbiter first to test , it will work with the old setup so make sure you have good tolerances first.
  4. Part cooler “5015 setup in the gdrive ” or you can run berd air with the included hotend fan mount .
  5. Y endstop trigger “y endstop mount mechanical”
  6. Zip ties or clips printed

Next is required tools and required parts

  1. Allen keys that came with the printer or any metric set that goes from 1m m to 4mm should do .
  2. Sand paper or abrasive cloth to tolerance the pins “you want them to be snug with the idlers ,if you need them to be looser i can send ones that are undersized “
  3. Dragon or mosquito hotend , Next revision will support Takoto hotends “best thing if need highest flow or print with many abrasives nonstop”
  4. recommended if have a 300 to trim rail to 355 mm but not required some machines tighter than others . Can use an abrasive cutoff disc or a Dremel to cut. Can choose to make slots longer instead but recommend cutting rail . 400 does not need any cutting as their is full range on the 400 with the standard length rail
  5. If running mosquito then need to use the mosquito fan adapter to mount the 25mm slice fan and need to use the slice fan.

The first thing i recommend to do is the front three pieces which give the largest gain. That is the carriage and the x to y mounts. You will need to act like doing a dde install and open the cable chain up including the Z chain.

Remove the back bracket that holds the z chain from moving and also prevents the bed surround from lifting. Then remove the 4 screws that hold the bed surround down and remove the bed surround to make your life easier.

Now remove z links so that the 400 has approx 31 to 32 and the 300 has 23 to 24 . then pull any slack out of the cables making sure not to stretch or disconnect anything below . You may need to cut zip ties. At this point remove the xy cable chain and make a 19 link length for the 400 and the 300 can be 16 to 19 links as their is more slack . This will be the y chain unless using new. use the old t nuts to mount the cable chain to the y extrusion and then leave for now

At this time remove the 4 screws on the bottom of each guide on the y extrusions to drop the old x bar away. Now mount the new x to y joints almost finger tight . Then take the double t nut plates and use them to mount the rail still not tight . now mount the x to y joint that say a3dp on it and mount he carriage to the guide. At this point you can lift up on the rail a little and tighten the inner bolts to the tnut plate hand tight then release the rail and now tighten the outer bolts to the t nut plate firm but not crazy , go back and do the same for the first set and now move gantry forward and back and then tighten the bolts holding the x to y arms to the y rails.

Now you can mount the carriage cable chain mount and if you printed a spar mount that as well . You can now also run the cable chain to the carriage and mount the loose ends of the both cable chains to their respective locations.

Remove the extra idler from the front tensioner brackets and run the belt around the z belts as shown in the pictures above . Install the idlers on the new arms using the stock spacer underneath and nothing above. At this point attach belts to the carriage as it is much easier before hotend is installed.

Mount the y endstop mount trigger and mount your x endstop to the a3dp x to y cable chain mount. You can now install the hotend ,fans and extruder.

I will be completing a video shortly and will refine this with feedback but wanted to get a basic idea of what to do written down as a starting point so feel free to ask questions and i will edit this accordingly.

The motor mounts are more difficult but not by much . You need to setup the pins ahead of time so sand the pins or some said to use a freezer and place the idlers on the pins as shown in the pics. Now remove the old belt retainer clips and the old rear brackets. You need to install the 1mm spacers on the bottom of the extrusions in-between them and the new brackets. You will mount the motor with the button head screws supplied 3 to a motor. You need to take care not to lose the old hardware. ” seems some newer printers have thicker stock washers I am looking for a link if anyone wants to get proper replacements for the rear stack” Don’t run the belt until the last step for this install as it is much easier to just snake it through and it helps to remove rear panel so you disconnect power and unplug the spade connectors from t he block on the back . You can do this without removing the back panel and just removing the sides instead. Use the longer m5 bolts to replace the stock 12mm bolts that go thought the z mounts and the mounts as they are to short for stock let alone an additional mm for the new spacer. Install spacers under the stock front mounts, Install center t nut bolts loosely and run gantry forward and back then tighten them to avoid racking. Now you may run belts and make sure the tensioner set screws in front are out all the way. Take care to have some tension on belts but not much and then clamp with zip ties or printed retainers. Now you may tension taking care to keep gantry square with tension being equal. Refer to video on belt tension to understand if confused.

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Modular klipper image

  • open putty interface and connect to printer
  • cd klipper_config
  • git clone
  • close putty
  • switch to mainsail web interface
  • open moonraker.conf in the settings tab
  • enter this below the update manager header

[update_manager client components]

type: git_repo


path: ~/klipper_config/components

  • Press save and restart
  • either copy your config from the patron folder to your printer config “if i converted it” or continue
  • copy your printer config into an empty notepad document
  • open the printer config example in the components folder
  • Start following the instructions in the file and can revert to video if needed but enter all your information
  • copy the section that says do not edit from the config in the notepad file to example config
  • copy full contents after it is done and close without saving
  • paste the contents over your original printer config
  • click 3 dots on top right and select restart firmware
  • If it does not connect refresh webpage and look for error most likely you need to have control :pid above the pid values “in the do not edit section ” or you need the bl touch z offset . Just reference the example config for anything you may need that may not be defined but it should be properly set and once this is done it will never need to be touched again as i can push updates to your printer at this point .
  • If want premade image dload here
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A3DP Ultimate Orbiter

I wanted to take a few minutes to upload what Rob and I are calling the “Ultimate” Orbiter. Just so everyone knows, this design I did completely from the ground up making dozens of minute modifications for easier FDM-ability thus it is completely our own intellectual property.

The special sauce that gives our design a huge advantage over the original Orbiter designed by Lorincz are as follows:

  • The clearances, have been dramatically improved
  • Perfect BMG alignment, including along the spider gear shaft, the latch detent clearances in X & Y directions
  • 100% contrainted filament path from entry to nozzle
  • Can be professionally SLS or MJF printed (We know, we’ve done it =))
  • Much easier to FDM print! (HINT HINT: We suggest 20-30 degrees of tilt, front bearing facing toward the bed plate)
  • Can be directly mounted to a stock Troodon or one with the A3DP Gantry upgrade parts

There are two versions of the housing:

1.) 14x14mm Bearings, this will match up for those that bought the “Formbot Troodon DDE Upgrade” kit from Jake/Tom/Peter on Cults3D.

2.) 14x16mm Bearings, this matches the “OEM” Formbot/Vivedino DDE kit that can be purchased or came installed on your Troodon.

Files for 14×16 Version will be coming soon…. Hang in there =)

14x14mm Orbiter Exploded View
14x14mm Bearing Version Shown

Rob & Jake both have hundreds of hours testing this new orbiter and we are ready for you to give it a shot for yourself

If you have any question, please drop us a line in the comments!

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Fix low fps in superslicer

Delete your existing directory and extract this into it its the newest version with hardware accel back on. I was going crazy i actually installed windows again cause thought was my computer. When i made a platter of like 4 orbiters or 30 cable chain links i could not even get 1 fps and then i couldnt even type while it was open and i running a 5950x with 64gb ram right now so i was really at a loss. But try the gcode viewer or slice preview then do this and try again . 

you will not lose your profiles as they are stored in the USERS/AppData/roaming then i think superslicer ALPHA folder but anyway you get the point

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Troodon Pi Cam Mount

A3DP is happy to introduce our latest PiCam Mount for the Troodon!

It still mounts in the front-right corner as with the one we recommended before.

For assembly, start by plugging in the pi cable into the Pi Cam, place the cam in the red piece (as pictured above) then snap the yellow piece on. Next you will need a M3x20mm bolt to assemble the gray bottom mount to the yellow back plate. Finally, you will need a M4x12mm bolt and a 3030 hammer/ or t-nut for mounting to the front-right extrusion on your Troodon.

Please see the attached screen shot for slicer print orientation. I would suggest 0.16-0.2mm layers, ABS material for easier breakaway supports. The rear face may require some light sanding.

Slicer Placement Suggestion, Support Slab recommended (green box)

CAD & STL Files

Inspired by the following projects:

Front housing:

Back cover:


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If you cannot see a usb connection

One is if your a patron feel free to have me remote in and fix for you but otherwise just follow the pdf guide on the website

but the important part is just to use the reset pins again and then teh reset button . sometimes you can get away onyl doing one or the other but it is safer to do both and make sure you do not have low level configuration checked so if their is a * in front of it then hit spacebar on it to uncheck it.

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Moonraker fix

One is their is new way of defining moonraker.conf it will be in new image and i putting it here cuase i make so many images that no one is aware since the gdrive doesn’t notify so i will make post everytime for you guys.

anyway please change in your moonraker.conf file. or just dload this one 


client_repo = meteyou/mainsail

client_path = ~/mainsail



[update_manager client mainsail]

type: web

repo: meteyou/mainsail

path: ~/mainsail



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Troodon V6-Style Nozzle Storage Solution

This solution came about because I have yet to find a nice clean, customizable solution for storing E3D v6 style nozzles. That is a thing of the past. I would like to introduce our Nozzle Storage Box.

The intention here is that the Nozzle Insert is customizable for your application. It prints with no support in 4 pieces. We are providing all of the STL files, F3D and a STEP file for those who prefer to customize their box further.

Suggested Print Settings:

  • 0.2mm Layers
  • 0.4mm Nozzle
  • No Supports needed
  • Top & Bottom box piece print on largest face
  • Trudie mount prints on the face with the 2 slots

Additional Needed Parts

  • 2x M3x10+ mm bolts to secure lid to the base

File Downloads: