@Whosa_whatsis Yes top need only for upload completly a filament , original filament feeder for printing. Double stage.
And are you aware that the bevel gears in your model are not a matched pair? The helices need to have opposite chirality in order to mesh.
yes know imported only one of 2 bevel gear prepared in other document.
about switching mechanism that primary to testing about tubing or other (currently not at home and can’t try ) but you just given me a perfect point of view of situation and of issue i surely need try resolve or in case need change switching part and made more similar 3d chamaleon but want try before my way. thanks for all suggestion and deep perfect view of project.
Moved on 3 filament more easy missing/deleted image from Google+