What is it? Hermit Crab is an innovative new printer system. Upgraded by the R&D team of Shenzhen Bigtree Technology Co., Ltd. to replace the traditional X-axis POM slider. Installed on the linear guide rail, you can install all kinds of hot ends. Make printing exprocess more accurate and smooth. Hot-swappable tool changer for almost any 3D printer.and you can get creative with the extended capabilities of low-cost printers. Features? ! Quick Installation & Quick Disassembly & Convenience This is an extremely smooth printing experience. Just imagine that you have problems with printing jams or need to temporarily replace consumables. BIQU Hermit Crab or Hermit Crab CAN can quickly replace the hot end for you, so that it does not affect your printing experience. And quickly solve the problem for you, I believe you also want to know that it achieves more fun and interesting functions by driving different printing tool heads Quickly transform to use swap out a clogged hotenddifferent hotend setupslaser cutter and engraverpen and marker plottersCNC millfood extruders ceramic and clay extruders endless possibilities BIQU Hermit Crab Aluminum alloy 6061 , strong and durable materialCompatible with a wealth of tool headsThe weight is lighter, which can effectively prevent the adverse effects caused by aggravating the print head Saving time & Resume printing Quick change of hotends Why choose hermit crab? During the printing process, the print head is clogged or abnormal, it takes a long time to disassemble and repair before you can continue to use the 3D printer and print the modelWWhen printing mixed color/mixed material models, it is time-consuming and troublesome to temporarily switch consumablesIIf you want the 3D printer to drive more types of tool heads, realize more fun and interesting functions, and turn the 3D printer into a tool with very strong expansion capabilities. Sufficient number of PIN pins can be used at the same time to detect broken materials and automatic leveling functions There are multiple versions for users to choose, standard version and CAN board users can choose according to their personal needs Compatible rail type 2020 European standard v-slot aluminum profile/MGN12H model linear rail. Compatible with V-profiles and guide rails to meet the needs of different users. Compatible with a wealth of tool heads Compatible with most print heads on the market, such as: NK8, H2, E3D Hemera Bowden, E3 Heat sink, etc. Some printheads need to print their own adapters and then connect for use Wide Compatibility Compatible with most of the best-selling 3D printers on the market, such as Ender3, Ender3_V2, CR-6 SE, B1 SE Plus, BX... Last&Durable Hermit Crab is a workhorse, which is made of aluminum alloy 6061, it is able to resist long periods Wiring diagram of hermit crab It is easy to install and remove, please turn off the printer first and unplug the printer. Exquisite packaging The unique packaging fully demonstrates the characteristics of the product. The inside contains foam to protect the product to avoid damage. notes If the hermit crab is to be used on the B1, additional accessories (fiber switch, limit switch fixing parts, etc.) are required. Because the limit switch of B1 is installed on the nozzleThe hermit crab CAN version can only be used on Raspberry Pi to run the Klipper firmware, but the standard hermit crab works with all firmwaresRequired rail size E3: Linear guide rail-75.5cm; V profile-76.5cmE3 Pro: Linear guide rail - 75.5cm; V profile - 76.5cmE3 V2: Linear guide rail-77cm; V profile-78cmE5: Linear guide rail - 98cm; V profile - 93.5cmE5 Pro: Linear guide rail - 98cm; V profile - 93.5cmCR-10 V2: Linear guide rail-92.5cm; V profile-91.5cmOther: TBD Bigtreetech 3D Printer Upgrade Dual Gear Extruder MK8 extruder Dual Driver BIGTREETECH Upgrade PI TFT70 TFT LCD Display DSI 800x480 for Raspberry Pi BIQU H2 V2.0 Dual Gear Extruder Upgrade H2 Extruder 3D Printer Direct Extruder BIGTREETECH Octopus V1.1 32Bit Control Board + TFT35 E3 V3.0 + 8PCS TMC2209 v1.2 BIQU B1 3D Printer Metal FDM 3D Printer 235X235X270mm Dual-System SKR V1.4 BIQU EBB42 CAN Bus V1.1 with MAX31865 Adapter Board 3D Printer Controller ✓ ✓ ✓ 3D Printer Extruders ✓ ✓ 3D Printer ✓