Anet A2 dual Z single motor

Description

I Wanted Dual Z Screws With Single Motor, And Supasorn'S Tarantula Solution Was Very Simple And Elegant. I Remixed This To Fit Anet A2. The Difference Is That On A2 The Distance Between Vertical Frame And X Bar Is Bigger, So Motor Mount And Top Mount Had To Be Edited. I Moved The Position Only 1Mm Further Out On Both, That Is Enough. I Also Edited The Switch Mount To Match The Switches Used On A2 And Moved The Switch Position On Motor Mount Accordingly. I Have Added A New Holder For X Endstop Switch, As The Original Doesn'T Fit In The Correct Position Any More Due To The 2Nd Leadscrew. Supasorn'S Original Lead Screw Nut Holders Should Be Used, I Have Included The Files Now For Convenience, They Have Not Been Changed From Original. All Parts Use M4 Screws & T-Nuts, Except Motor Mount, Which Uses M3 Screws/Nuts. All Could Easily Be Edited To Use Other Sizes, But I Left Them As They Were, As I Had All Sizes Available. If You Want To Use Anet Original M5 Screws/T-Nuts, Just Print The Parts With 100% Infill And Drill Out The Mounting Holes With 5.0 Or Better Yet, 5.5Mm (To Give You Some Alignment Room) Drill. Edit: Full Screw List, As It Was Requested: 10Pcs Of 4*12 Cs + 4Mm Washers (2+2 For Each Upper Mount To Frame, 2+2 For Nut Mounts To X-Bar, 2 For X-Switch Mount) 8Pcs Of M3*12 Bh + 3Mm Washers + Locknuts For Upper Bearing Mounts (2 Per Side) And Nut To Nut Holder (2 Per Side) 6Pcs Of M3*8 Bh For Fixing Motor To Motor Holder (4) And Z Switch Riser (2) 1Pcs 3*20 Screw For Z Height Setting (I Could Get Away With 10Mm, But Ymmv Here, As I'M Running A Custom Bed Mount And Glass On Top Of The Bed) 2Pcs Of M3*10 (M3*8 Would Also Do) To Fix Motor Mount To The Frame Original Screws For X And Z Switch Mounts (2*8 Or 2*10 Cs, If Lost/Stolen/Broken) Original Grubscrews For Pulleys And Upper Bearings It'S Perfectly Usable Also As Single Inverted Z With Original Leadscrew - Just Print The Motor Mount, Z Switch Mount And Right Nutholder. <Strong>To Use This, Your Z Motor Direction Has To Be Reversed From Stock!</Strong> You Can Do This Either By Using Marlin Firmware And Setting <Code>#Define Invert_Z_Dir True</Code> In "Configuration.H" Or Very Simply By Switching Either Black And Green Or Blue And Red Wires In The Z Stepper Cable, This Reverses The Motor. I'M Very Happy With How It Works, Adding 2 Pics Of My Latest Taller Prints (~100Mm), Absolutely No Z Issues. Update: Added Right Top Mount That Includes Mount For A2 Stock Extruder <Strong>Nb! Read Also The "Post Printing" Part!</Strong>

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