RH3D · EMNA2881

E3NG · Toolchanger

Original hotend changer and dedicated gantry CAD. The complete printer assembly is not included.

E3NG configuration

View Toolhead board Extruder pivot Idler arm Y gantry Tool count

The author recommends five tools. One active tool and the remaining parked tools are shown. The six slot positions come from the original CAD.

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Surrounding mods

Nudge for metal bed carriage Nozzle wiper Cable routing and enclosure parts

Shown in the changer and surrounding components view. Original placements are preserved.

Colors / display

Base color Accent color Aluminum frame Show grid

Model scope

Original assembly with TZ-V6 3.0, a 3010 hotend fan, two 4010 blowers, BMG gears and NEMA14 motor.
EBB36/42, pin/bolt pivots and the two Y-block variants are switched independently.
One original EBB42 board component fails solid validation. Its original geometry is retained for display.
The dock beam is 330 mm. The original bracket outer width is 407.2 mm; the author specifies 407 mm for assembly. Dimensions are unchanged.
The original CAD also includes spare parts. Bed/frame clearance, travel limits and toolchange G-code are unverified.
This is not presented as a model with embedded print supports removed.

Original sources / versions

E3NG_ToolChanger_MOD1 v10 · Beta

E3NG design: RH3D. Changer: emna2881. Nudge: zruncho3d. Extruder inspiration: Irbis3D / MedusaHC.

These CAD shapes and derived display data carry noncommercial and share-alike conditions, separately from the application code license.

The author distributes the complete v1.2 assembly CAD as a paid extra. This view uses the publicly available changer CAD.

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