I do have some questions concerning technical linedrawings with inkscape:

1. I take a screenshot of 3D-CAD a model that is rotated in a standard axonometric view. For example an isometric projection 30°-30°.
2. I import the screenshot into inkscape.
3. In "inkscape preferences" dialog in option "steps" Is set "rotation snaps every" to 30°.
4. By holding down "Strg" I can easily trace the screenshot.

However when I have the 3D-CAD model rotated to some other axonometric view, for example 25-25°. This
helpful technique is no more possible, since I can only choose from a list of predifined values in "rotation snaps every".
I´d like to put in any kind of value.
Should this be on the wishlist?

Another question:
I want to move an object along a defined axis.
When I hold down "strg" I can move a selected object along the vertical and horizontal axis.
Are there ways and techniques in inkscape to do that kind of thing along any kind of axis.

Thanks for your help
Marcel


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