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Markforged Kinematics V2.0 for FlyingBear Ghost 5

3DiWell

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Description

Upgrade your Flying Bear Ghost 5 with a lightweight and rigid Markforged-style kinematics system. This modification replaces the stock motion assembly with a proven parallel-rail design inspired by Markforged printers, improving belt routing, reducing moving mass, and increasing overall motion stability.

Features

Markforged-inspired XY kinematics
Compatible with Flying Bear Ghost 5
Lightweight moving assembly
Improved rigidity compared to the stock mechanism
Optimized belt routing for smooth motion

Required Hardware

Bearings & Motion Components

Part	Quantity
F623ZZ Flanged Bearing (3×10×4 mm)	4
GT2 Pulley 20T W6 B4 (18×8.5×12 mm)	4
GT2 Belt 6 mm (1280 mm or longer)	1

Heat-Set Inserts

Part	Quantity
M3 Brass Heat-Set Inserts (Ø4.6 × 5.7 mm)	32

Pins

Part	Quantity
D2 × 15 mm Pin	2
D3 × 15 mm Pin	2
D4 × 16 mm Pin	2
D4 × 20 mm Pin	1
D4 × 25 mm Pin	3

Fasteners

Part	Quantity
M3 × 5 mm Socket Head Screw	14
M3 × 10 mm Socket Head Screw	12
M3 × 15 mm Socket Head Screw	11
M3 × 16 mm Socket Head Screw	2
M3 × 30 mm Socket Head Screw	2
M3 × 8 mm Countersunk Screw	2

Recommended Print Settings (Cura)

Setting	Value
Nozzle Diameter	0.4 mm
Layer Height	0.15 mm
Line Width	0.4 mm
Infill Line Width	0.45 mm
Wall Thickness	2.0 mm
Top/Bottom Thickness	2.0 mm
Infill Density	30%
Infill Pattern	Cubic
Connect Infill Lines	Enabled
Print Speed	30–50 mm/s

Printing Recommendations

Print structural parts with at least 30% cubic infill.
Use PC, ABS, or ASA for better durability and heat resistance.
Install all heat-set inserts carefully to ensure proper alignment.
Check bearing and pulley fitment before final assembly.
Verify belt tension after installation for optimal print quality.

Assembly Notes

Install all M3 heat-set inserts before assembly.
Press-fit the pins into their designated locations.
Mount the F623ZZ bearings and GT2 pulleys.
Assemble the gantry and carriage components.
Route and tension the GT2 belt.
Verify smooth movement across the entire travel range before powering the printer.

If you build this upgrade, feel free to share your makes and improvements. Feedback, remixes, and assembly photos are always welcome!

License:

Creative Commons — Attribution — Noncommercial