LINK TO CAD V1.65 integrates a few changes to accept the new RIDGA gear from Bondtech as well as some enhancements to the overal rigidity of the unit.       
SubAssy Category Item Thumbnail Part Name Part Description Make/Buy QTY Comment Vendor Vendor URL
Bondtech RIDGA HextrudORT Kit                    
HextrudORT_HotEnd_RAPIDO BUY 1
1.75/5.0mm BMG Secondary Drive Gear Included in BMG Internals Set for HextrudORT (BUY) KIT 1   Bondtech Reverse BMG Set for HextrudORT from the HevORT project (bondtech.se)
HextrudORT_HotEnd_RAPIDO BUY 2
R.I.D.G.A. – BMG Reverse Integrated Drive Gear Assembly Included in BMG Internals Set for HextrudORT (BUY) KIT 1   Bondtech Reverse BMG Set for HextrudORT from the HevORT project (bondtech.se)
HextrudORT_HotEnd_RAPIDO BUY 3
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Thumbscrew Assembly Included in BMG Internals Set for HextrudORT (BUY) KIT 1   Bondtech Reverse BMG Set for HextrudORT from the HevORT project (bondtech.se)
HextrudORT_HotEnd_RAPIDO BUY 4
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TensionArm Pin 3 X 20mm Included in BMG Internals Set for HextrudORT (BUY) KIT 1   Bondtech Reverse BMG Set for HextrudORT from the HevORT project (bondtech.se)
HextrudORT_HotEnd_RAPIDO BUY 5
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PTFE Tube Retainer Included in BMG Internals Set for HextrudORT (BUY) KIT 1   Bondtech Reverse BMG Set for HextrudORT from the HevORT project (bondtech.se)
HextrudORT_HotEnd_RAPIDO BUY 6
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MR84 8X4X3 Bearing Included in BMG Internals Set for HextrudORT (BUY) KIT 2   Bondtech Reverse BMG Set for HextrudORT from the HevORT project (bondtech.se)
Dragon HextrudORT                    
HextrudORT_HotEnd_RAPIDO BUY 7
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bltouch   BUY 1      
HextrudORT_HotEnd_RAPIDO MAKE 8
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PTFE_Guide Comes with BMG clones MAKE 1 Make from 4mm OD PTFE tube:
1 - Using Xacto blade, create internal chamfer in one end.
2 - Cut that end into an arrow shape (try to match the angle from the HextrudORT body where the hobb gears meet.
3 - Insert into HextrudORT body and cut excess length flush. 
   
HextrudORT_HotEnd_RAPIDO BUY 9a
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RAPIDO HOTEND Standard  BUY 1 Phaetus Rapido Hot End Phaetus: https://www.phaetus.com/rapido-hotend/

Aliexpress
https://s.click.aliexpress.com/e/_9xIrem
HextrudORT_HotEnd_RAPIDO BUY 9b
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RAPIDO HOTEND UHF Ultra High Flow - with melt zone extender BUY 1 This version adds a small 8.5mm longg extender to the meltzone, making possible the use of E3D Volcano nozzles Phaetus: https://www.phaetus.com/rapido-hotend/

Aliexpress
https://s.click.aliexpress.com/e/_9xIrem
HextrudORT_HotEnd_RAPIDO BUY 10
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2510 Fan - 25mm*10mm 2510 fan BUY 2   Aliexpress https://s.click.aliexpress.com/e/_9wYbbC
HextrudORT_HotEnd_RAPIDO HARDWARE 11
M2.5X8_ 90358A112_Ultra-Low-Profile Socket Head Screw Screw, Capr_M2.5 X 8mm Buy 3 *Ultra low head screws are used to increase available material thickness holding hotend. Aliexpress https://s.click.aliexpress.com/e/_DEoG91j
HextrudORT_HotEnd_RAPIDO HARDWARE 12
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M3_Nut_94150A325 Nut, Hex - M3 Buy 2      
HextrudORT_HotEnd_RAPIDO HARDWARE 13
M3X40_CapScrew_92290A128 Screw, Cap - M3X40mm Buy 1 Button Head screw can be used as well.    
HextrudORT_HotEnd_RAPIDO HARDWARE 14
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M3X25_CapScrew_92290A124 Screw, Cap - M3X25mm Buy 1 Button Head screw can be used as well.    
HextrudORT_HotEnd_RAPIDO HARDWARE 15
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M3X20_CapScrew_92290A122 Screw, Cap - M3X20mm Buy 1 Button Head screw can be used as well.    
HextrudORT_HotEnd_RAPIDO HARDWARE 16
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M3X8_CapScrew_92290A113 Screw, Cap - M3X8mm Buy 1 Button Head screw can be used as well.    
STD/HT                    
HextrudORT_HotEnd_RAPIDO MAKE 17a To come BlTouchSupport for STDHT MGN9 & MGN12 Carriage 3D Printed MAKE 1* * OPTION BlTouchSupport for STDHT MGN9 & MGN12 Carriage Not Ready  
HextrudORT_HotEnd_RAPIDO MAKE 18d
HextrudORT_STDHT_MGN9_RapidoUHF_StructFanShroud_25mm_BLTouch v1.stl 3D Printed MAKE 1* *OPTION
Allows the mounting of Bltouch directly onto the FanShroud
Github HextrudORT/files/HOTEND_EXTRUDER/RAPIDO/STLs at main · MirageC79/HextrudORT (github.com)
HD9                    
HextrudORT_HotEnd_RAPIDO MAKE 17b To come BLTouch support for HD9 3D Printed MAKE 1* * OPTION BlTouchSupport for HD9 Carriage Not Ready  
HD12                    
HextrudORT_HotEnd_RAPIDO MAKE(Option*) 17c1
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BLTouch support for HD12 RAPIDO 3D Printed MAKE 1* *For HextrudORT HD12 Rapido standard.   HextrudORT/files/HOTEND_EXTRUDER/RAPIDO/STLs at main · MirageC79/HextrudORT (github.com)
HextrudORT_HotEnd_RAPIDO MAKE(Option*) 17c2
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BLTouch support for HD12 RAPIDO UHF 3D Printed MAKE 1* *For HextrudORT HD12 Rapido UHF (Ultra High Flow)   HextrudORT/files/HOTEND_EXTRUDER/RAPIDO/STLs at main · MirageC79/HextrudORT (github.com)
HextrudORT_HotEnd_RAPIDO MAKE(Option*) 18b
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Rapido Structural Fan Mount HD12 MGN9 3D Printed MAKE 1* For HextrudORT HD12 Rapido Standard and High Flow. This fan shroud acts as an additional mouting point for the RAPIDO hotend.
*For HD12_MGN9
  HextrudORT/files/HOTEND_EXTRUDER/RAPIDO/STLs at main · MirageC79/HextrudORT (github.com)
HextrudORT_HotEnd_RAPIDO MAKE(Option*) 19b
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HORTPC_RapidoUHF_Spacer HD12_MGN9 3D Printed MAKE 1* RAPIDO UHF spacer for HORTPC HevORT Remote Turbine Part Cooling
*For HD12_MGN9
  HextrudORT/files/HOTEND_EXTRUDER/RAPIDO/STLs at main · MirageC79/HextrudORT (github.com)
HextrudORT_HotEnd_RAPIDO MAKE(Option*) 20b
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HORTPC_Rapido_HD12_MGN9 3D Printed (Resin)** MAKE 1* HD12 MGN9 Rapido HORTPC - HevORT Remote Turbine Part Cooling
**Recommended to be printed from SLA (Resin Printer)
*For HD12_MGN9
  HextrudORT/files/HOTEND_EXTRUDER/RAPIDO/STLs at main · MirageC79/HextrudORT (github.com)
HextrudORT_HotEnd_RAPIDO MAKE(Option*) 18c
Rapido Structural Fan Mount HD12_MGN12 3D Printed MAKE 1* For HextrudORT HD12 Rapido Standard and High Flow. This fan shroud acts as an additional mouting point for the RAPIDO hotend.
*For HD12_MGN12
USER MOD!! Thanks to DonnerPlays from HevORT Discord channel HextrudORT/files/HOTEND_EXTRUDER/RAPIDO/STLs at main · MirageC79/HextrudORT (github.com)
HextrudORT_HotEnd_RAPIDO MAKE(Option*) 19c
HORTPC_RapidoUHF_Spacer HD12_MGN12 3D Printed MAKE 1* RAPIDO UHF spacer for HORTPC HevORT Remote Turbine Part Cooling
*For HD12_MGN12
USER MOD!! Thanks to DonnerPlays from HevORT Discord channel HextrudORT/files/HOTEND_EXTRUDER/RAPIDO/STLs at main · MirageC79/HextrudORT (github.com)
HextrudORT_HotEnd_RAPIDO MAKE(Option*) 20c
HORTPC_Rapido
HD12_MGN12
3D Printed (Resin)** MAKE 1* HD12 MGN9 Rapido HORTPC - HevORT Remote Turbine Part Cooling
**Recommended to be printed from SLA (Resin Printer)
*For HD12_MGN12
USER MOD!! Thanks to DonnerPlays from HevORT Discord channel HextrudORT/files/HOTEND_EXTRUDER/RAPIDO/STLs at main · MirageC79/HextrudORT (github.com)
HextrudORT RAPIDO                    
HextrudORT_HotEnd_RAPIDO MAKE(Option) 18a
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Rapido Fan Shroud 3D Printed MAKE 1* Standard fan shroud for Rapido by MirageC   HextrudORT/files/HOTEND_EXTRUDER/RAPIDO/STLs at main · MirageC79/HextrudORT (github.com)
HextrudORT_HotEnd_RAPIDO MAKE 21
HextrudORT_Dragon_TENSION_ARM_body_V1.6_RIDGA 3D_Printed MAKE 1 Note: you can find pre-supported STL in the github repository:
HextrudORT_Dragon_TENSION_ARM_body_V1.6_RIDGA_Supported.stl
  HextrudORT/files/HOTEND_EXTRUDER/RAPIDO/STLs at main · MirageC79/HextrudORT (github.com)
HextrudORT_HotEnd_RAPIDO MAKE 22
HextrudORT_COVER_MR84_V1.65_RIDGA 3D_Printed MAKE 1     HextrudORT/files/HOTEND_EXTRUDER/RAPIDO/STLs at main · MirageC79/HextrudORT (github.com)
HextrudORT_HotEnd_RAPIDO MAKE 23
HextrudORT_Dragon_Rapido_body_V1.65_RIDGA 3D Printed MAKE 1 NOTE !
Make sure your printer is well calibrated, these are small and precise parts.

Recommended print settings:
- 0.16 Layer height
- Support interface: yes
- Full fan at first support interfacing layer

you can find pre-supported STL in the github repository:
HextrudORT_Dragon_Rapido_body_V1.6_RIDGA_Supported.stl
  HextrudORT/files/HOTEND_EXTRUDER/RAPIDO/STLs at main · MirageC79/HextrudORT (github.com)