{"product_id":"multi-spooler-with-bearings-and-bmcu-holder","title":"Multi spooler with bearings and bmcu holder","description":"\u003cp\u003eSimple standalone and steady solution for a popular open-source analog of AMS — BMCU 370. I did not consider existing models that mount to the printer frame due to strong vibrations. The goal of this project was to ensure the stability of the entire structure despite uneven filament distribution on the spools. The parts were designed to prevent incorrect assembly.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAdapted for printing on A1 Mini with minimal numbers of supports\u003c\/li\u003e\n\u003cli\u003eHolder for \u003cspan style=\"color: #E14747\"\u003e\u003cstrong\u003eBMCU 370C\u003c\/strong\u003e\u003c\/span\u003e or \u003cspan style=\"color: #E14747\"\u003e\u003cstrong\u003eBMCU 370X\u003c\/strong\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eWide range of supported spools – up to 1.2 kg in weight and 72 mm in width, including cardboards\u003c\/li\u003e\n\u003cli\u003eSmoothed filament angle at the BMCU input\u003c\/li\u003e\n\u003cli\u003eVertical arrangement of spools\u003c\/li\u003e\n\u003cli\u003eDowel with common 608 ball bearing reduce friction and improves rotation (for bearing version)\u003c\/li\u003e\n\u003cli\u003eThe parts are fastened with steel bolts that are screwed into the barrel nuts M8\u003c\/li\u003e\n\u003cli\u003eChannel for hiding the BMCU cable in the middle of the central column\u003c\/li\u003e\n\u003cli\u003eAdditional PTFE tube attachment for upper spools\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBase with rubber feet improves stability and reduces vibrations\u003c\/p\u003e\n\u003cp\u003e(Rubber feet are preferred, but can be replaced to IКЕА Stick-on floor protectors, article number 004.311.51)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCan be made in two versions: with bearing dowels or without bearing dowels.\u003c\/p\u003e\u003cp\u003eList of materials for a simple variant, without bearing, a little shorter:\u003c\/p\u003e\u003col\u003e\n\u003cli\u003eScrew DIN933 M8x25mm - 4pcs.\u003c\/li\u003e\n\u003cli\u003eScrew ISO7380-1 M8x20mm - 2pcs.\u003c\/li\u003e\n\u003cli\u003eNut DIN934 M8 - 6pcs.\u003cbr\u003e\u003cbr\u003eOptional for base:\u003cbr\u003eRubber feet D17.5 - 18mm - 4pcs.\u003cbr\u003eBrass Heat Threaded Insert Nut M3x5mm  - 4pcs.\u003c\/li\u003e\n\u003c\/ol\u003e\u003cp\u003ePlate from 1 to 4 mandatory for both versions.\u003cbr\u003ePlate #5 only for bearing version\u003cbr\u003ePlate #6 only for simplest version without bearings\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWARNING:\u003c\/strong\u003e\u003cbr\u003eBefore you start printing, please read this carefully.\u003cbr\u003eThere are several versions of the BMCU on sale - the original BMCU370C (BLV) and modified versions.\u003cbr\u003eThey are easy to confuse. Modified versions contain the words \"BMCU370C with Hall sensor\" or \"BMCU370C Updated High Torque version\" in the name.\u003cbr\u003eThe original BMCU370C contains four mounting holes, while the modified versions have only two mounting holes, near to center.\u003cbr\u003eIf you have a modified version with two mounting holes, please select the appropriate \u003cstrong\u003eprint profile - \"HALL 370C\"\u003c\/strong\u003e. The difference between the print profiles is only in the details of the BMCU holder\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cfigure class=\"image\"\u003e\u003cimg src=\"https:\/\/makerworld.bblmw.com\/makerworld\/model\/DSM00000001843201\/design\/2025-12-07_4be93742d86a2.png\"\u003e\u003c\/figure\u003e\u003cp\u003e\u003cbr\u003eMy advice is to use PLA filament, but not matte, and not to install pneumatic PTFE tube couplers at the BMCU input.\u003c\/p\u003e\u003cboostme\u003e\u003cboosttitle\u003eBoost Me\u003c\/boosttitle\u003e\u003cboostcontent\u003eThank you for boosting and like's.\u003c\/boostcontent\u003e\u003c\/boostme\u003e\u003cp\u003e\u003cstrong\u003eExperimental parts:\u003c\/strong\u003e\u003c\/p\u003e\u003col\u003e\n\u003cli\u003eAdditional PTFE-tube holder for the lower spools\u003c\/li\u003e\n\u003cli\u003eTop handle for bearing version\u003c\/li\u003e\n\u003cli\u003eTop handle for bearingless version\u003c\/li\u003e\n\u003cli\u003eTop handle for update kit by Sasver\u003c\/li\u003e\n\u003cli\u003eAMS Lite compatible dowels with ⌀18mm (screw DIN933 M8x60mm)\u003c\/li\u003e\n\u003cli\u003eCaps with numbers of channels BMCU (AMS)\u003c\/li\u003e\n\u003cli\u003eCap with number - 1 (AMS)\u003c\/li\u003e\n\u003cli\u003eCap with number - 2 (AMS)\u003c\/li\u003e\n\u003cli\u003eCap with number - 3 (AMS)\u003c\/li\u003e\n\u003cli\u003eCap with number - 4 (AMS)\u003cbr\u003e \u003c\/li\u003e\n\u003c\/ol\u003e\u003cp\u003eOther my projects:\u003c\/p\u003e\u003cp\u003e\u003ca target=\"_blank\" rel=\"noopener noreferrer ugc\" href=\"https:\/\/makerworld.com\/en\/models\/2560108-bracket-with-numbers-of-channels-bmcu-370c\"\u003eAll BMCU channel numbers on one bracket\u003c\/a\u003e\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eUseful Improvements from other makers:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eA great package of improvements from maker - \u003ca target=\"_blank\" rel=\"noopener noreferrer ugc\" href=\"https:\/\/makerworld.com\/en\/@Sasver_ukr\"\u003eSasver\u003c\/a\u003e\u003cbr\u003eThis project is suitable for improving the design of both initial prints, as well as existing Multi spooler holders.\u003cbr\u003eOne of the main advantages is the modification of the holder arms to ensure compatibility with project from \u003ca target=\"_blank\" rel=\"noopener noreferrer ugc\" href=\"https:\/\/makerworld.com\/en\/@PhilCaruso\"\u003ePhil Caruso\u003c\/a\u003e's — \u003ca target=\"_blank\" rel=\"noopener noreferrer ugc\" href=\"https:\/\/makerworld.com\/en\/models\/1537099-auto-rewinder-remix#profileId-1903656\"\u003e\u003cstrong\u003eAuto-Rewinder Remix.\u003c\/strong\u003e\u003c\/a\u003e\u003cbr\u003eLink on project:\u003cbr\u003e\u003ca target=\"_blank\" rel=\"noopener noreferrer ugc\" href=\"https:\/\/makerworld.com\/en\/models\/2354358-bmcu-holder-with-auto-rewinders-upgrade-kit\"\u003e\u003cstrong\u003eBMCU Holder with Auto-rewinders - Upgrade kit\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003ePTFE Funnel by  \u003ca target=\"_blank\" rel=\"noopener noreferrer ugc\" href=\"https:\/\/makerworld.com\/en\/@Sasver_ukr\"\u003eSasver\u003c\/a\u003e\u003cbr\u003eLink on project: \u003ca target=\"_blank\" rel=\"noopener noreferrer ugc\" href=\"https:\/\/makerworld.com\/uk\/models\/2257678-modelled-ptfe-funnel\"\u003e\u003cstrong\u003eModelled PTFE Funnel\u003c\/strong\u003e\u003c\/a\u003e\u003cbr\u003e \u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eDesign by Olek on MakerWorld (license: CC0).\u003c\/p\u003e","brand":"Mymadmanlab","offers":[{"title":"Default Title","offer_id":67369512894768,"sku":null,"price":171.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0987\/0809\/5280\/files\/0_66a3f63a-1217-4f9f-a1f2-5378b7bd62cd.png?v=1784071871","url":"https:\/\/mymadmanlab.com\/products\/multi-spooler-with-bearings-and-bmcu-holder","provider":"Mymadmanlab.com","version":"1.0","type":"link"}