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  • I only see the Mk3 available, when will the Mk4 be available?
    The Mk4 will come in two versions... the Mk4 and the Mk4 Pro. The current Mk3 (since October, 2023) is identical to the Mk4 (base) except for the firmware, that is the ONLY difference. It was already silently upgraded to the Mk4 hardware back in October. Again, the only difference will be the firmware, which is, as always, a free upgrade. (All Mk2 and Mk3 users can already print the parts and perform the upgrade to the Mk4 hardware here: There will be some additional features that are in the Mk4 Pro (which won't be introduced until RMRRF), and that video shows some of them. But, as always, the Mk2, Mk3 and Mk4 will be upgradable to the Mk4 Pro. However, because there is significant new hardware included in that kit, the pricing difference will be charged over the Mk3/Mk4's current $179. No further details on any features, functions, pricing or shipping details of the Mk4 will be released prior to the RFRRF announcement, so please do not send emails or create posts asking for any further details as your response will be simply redirected back to this post.
  • Will the 3D Chameleon work on my printer?
    Yes. It's designed to be universal (and work with any printer that can handle 1.75 filament), so if your printer is stock and has the ability to use custom tool change gcode, then it should work without issue. Some custom configurations will need slight alterations for the switch or extruder mounting location.
  • What is 3DClippy?
    3DClippy is an open source filament cutter to allow users to avoid the hassle of tip shaping of the filament so that it can be reinserted correctly. The 3DClippy is a guillotine that simply cuts off the tip and leaves it inside the hot end to be purged on the next filament load. It is highly recommended that you implement the 3DClippy if you want to avoid the difficulites of tip shaping of every filament.
  • What main 3D printer electronics boards do you currently support?
    he 3D Chameleon is universal and works with any printer. No firmware or electrical modifications are necessary. ​
  • Can I go to more than 4 colors?
    Yes, the 3D Chameleon can be combined together to allow up to 32 colors. (Note: this is limited by the current slicers at this time, not a physical limitation of the 3D Chameleon.)
  • I have a direct drive printer, will the 3D Chameleon work on it?
    Yes, you can use the 3D Chameleon to load and unload your existing extruder without issue.
  • Will the 3D Chameleon work on a Delta Printer?
    Yes, you can mount the switch at the top or side of any column or you can optionally use a GPIO pin to communicate with the 3DChameleon's electronics.
  • What slicers does the 3D Chameleon support?
    Currently, we have sample code for PrusaSlicer, Cura, Simplify3D and Grid Space's Kiri:moto for the Mk2 and PrusaSlicer and BambuStudio for the Mk3. You can use our GCode Generator tool (linked above) to generate code for each one and paste it into your working profile. (Kiri:Moto uses the same code as Cura.) We highly recommend PrusaSlicer or Kiri:Moto as they support the most modern multimaterial concepts. (Note: Cura only works well with 2 colors... more than two cause issues with their purge tower strategy, and is not supported at all with the 3D Chameleon Mk3.)
  • What is your warranty?
    We fully warrant your 3D Chameleon for 1 year from the date of purchase. This includes 100% of the parts. If your unit is defective, we will repair/replace it at our discretion.
  • What is your return policy?
    We are committed to your satisfaction. We offer a full 60 day refund/return policy (less PayPal and Shipping fees) on the 3D Chameleon if they're unopened. If they're opened, there is a 20% restocking fee. PayPal never refunds their fees... if you purchase a kit from us and then cancel it before we ship, your refund will not include the PayPal transaction fees, which is their policy.
  • I'm international, what are the shipping fees?
    USPS charge a flat rate pricing starting at $55.15 for most countries (using USPS Flat Rate International Shipping), however, due to the differences in each country and their associated charges, we might contact you for additional funds for shipping fees. See the USPS Price Group Table here: for more details on your specific country. Due to those differences, we can not collect Customs Fees, Duties, Taxes or VAT, you must arrange payment of those import fees for your own country, if there are any. The Harmony Code for our products are 84779000, which is classified as a 3D printer part. Each country has their own import structure for the various products. If you have questions, use this harmony code to look up your local import laws for the required taxes and fees.
  • What is included in the package?
    The 3D Chameleon Mk3 includes everything necessary to connect the four color 3D Chameleon except any specific custom mounts for your particular printer. You can download custom mounts from Thingiverse or Tinkercad by searching for 3DChameleon (all one word.) Please note, the new Mk3 unit only needs to use two motors to drive four colors... so don't be alarmed when you only find two stepper motors in your package... the single preassembled unit has four filament tubes and can drive any of the four colors loaded into it. See here for how it works:
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