SubAssy Category Item Thumbnail Part Name Part Description Make/Buy Included in
HDWKit_XYHT
QTY Comment Vendor Vendor URL
XYHT Buy 1
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Belt_Lower GT2 6mm 2GT 6mm Belt Buy 1 *Length defined by Frame Calculator: https://miragec79.github.io/HevORT/framecalculator.html   https://s.click.aliexpress.com/e/_AFHDkY
XYHT Buy 2
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Belt_Upper GT2 6mm 2GT 6mm Belt Buy 1 *Length defined by Frame Calculator: https://miragec79.github.io/HevORT/framecalculator.html   https://s.click.aliexpress.com/e/_AFHDkY
XYHT Buy 3
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Busching_3X5X10 Bushing, Spacer - 3ID X 5OD Buy 6* * Required if using 5mm bore idler pulleys at all locations
Recommended to buy Mellow 3mm Bore Pulley directly instead of using bushings. See Item #4 and #5
3x5x5mm Qty 2 per pulley https://s.click.aliexpress.com/e/_AN0YX6
XYHT Buy 4
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Gates_2GT_20T_Smooth Pulley, Smooth Idler - 6mmGT2 5mm bore Buy 4*
4X5mm + bushings
or
4X3mm without bushing
*Gates 2GT pulleys are 10mm in height and have 5mm bore. 
You can order 3mm version of these pulleys from Mellow Store on Aliexpress:
https://www.aliexpress.com/item/4000040551804.html?spm=a2g0s.9042311.0.0.2e6d4c4d7eSBhP
Aliexpress (Mellow Store recommended for 3mm version) https://s.click.aliexpress.com/e/_9JaFmc
XYHT Buy 5
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Gates_2GT_20T_Toothed Pulley, Toothed Idler - 6mmGT2 5mm bore Buy 6*
or
(4 x 5mm)
+ (2 X 3mm)
* Gates 2GT pulleys are 10mm in height and have 5mm bore. 
You can order 3mm version of these pulleys from Mellow Store on Aliexpress:
Aliexpress (Mellow Store recommended for 3mm version) https://s.click.aliexpress.com/e/_9JaFmc
XYHT Buy 6
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GT2 Timing Pulley 20T 6mm - Hole_5mm v4 Pulley, Timming - 20tooth 6mmGT2, 5mm bore Buy 2 Aliexpress Mellow Store https://s.click.aliexpress.com/e/_9jJDug
XYHT Buy 7
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MGN12 Rail for X axis MGN_Rail_X Buy 1 *Length defined by Frame Calculator: https://miragec79.github.io/HevORT/framecalculator.html    
XYHT Buy 8
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MGN12 Rail for Y axis MGN12 Rail_Y Buy 2* *Length defined by Frame Calculator: https://miragec79.github.io/HevORT/framecalculator.html    
XYHT Buy 9
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MGN12C Block For Y Rail MGN12C Block_Y Buy 2* Comes with Rail    
XYHT Buy 10
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MGN12H Block for X rail MGN12H_Block_X Buy 1 Comes with Rail    
XYHT Buy 11
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MR115ZZ_Bearing_7804K107 Bearing, 5x11x4mm Buy X 2      
XYHT Buy 12
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NEMA17_E3D_High_Torque_48mm Stepper Motor - NEMA17X48mm Buy 2      
XYHT Buy 13
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Opto endstop PM Optical End-Stop Buy 1     https://s.click.aliexpress.com/e/_AKV732
XYHT Buy 14
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TrackX_2020Profile 2020 Aluminum Extrusion Buy 1* *Length defined by Frame Calculator: https://miragec79.github.io/HevORT/framecalculator.html    
XYHT Hardware 15
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M3X10_CapScrew_92290A115 Screw, Cap - M3X10mm Buy X 34
XYHT Hardware 16
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M3X3030_TSlot_Nut Nut, TSlot - M3X3030 for Y Axis Buy X 16* Qty 16 based on Y Print size at 315.  Add Qty2 (one per Y side) for every additional 5cm of Y axis over 315mm.  (one every 2 holes)
*Multiply by two if you want to fasten each rail hole
AliExpress https://s.click.aliexpress.com/e/_AL5GuY
XYHT Hardware 17
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M3X2020_T-Nut Nut, TSlot - M3X2020 For X Axis Buy X 8* Qty 8 based on X Print size at 315.  Add Qty1 for every additional 5cm of X axis over 315mm.  (one every two holes)
*Multiply by two if you want to fasten each rail hole
AliExpress https://s.click.aliexpress.com/e/_A1wo9I
XYHT Hardware 18
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M3_Nut_94150A325 Nut, Hex - M3 Buy X 12      
XYHT Hardware 19
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M3X16_CapScrew_92290A120 Screw, Cap - M3X16mm Buy X 4      
XYHT Hardware 20
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M3X20_CapScrew_92290A122 Screw, Cap - M3X20mm Buy X 6      
XYHT Hardware 21
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M3X25_CapScrew_92290A124 Screw, Cap - M3X25mm Buy X 2      
XYHT Hardware 22
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M3X30_CapScrew_92290A126 Screw, Cap - M3X30mm Buy X 4      
XYHT Hardware 23
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M3X6_CapScrew_92290A111 Screw, Cap - M3X6mm Buy X 4      
XYHT Hardware 24
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M3X8_CapScrew_92290A113 Screw, Cap - M3X8mm Buy X 25      
XYHT Hardware 25
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M5_HexNut_94150A340 Nut, Hex - M5 Buy X 4      
XYHT Hardware 26