Shameless self promotion, but you might be interested in scad-clj [0]: a DSL to write OpenSCAD with Clojure. You can get a decent interactive environment combining an editor with an OpenSCAD window set to only show the render [1].

[0] https://github.com/farrellm/scad-clj

[1] https://adereth.github.io/blog/2014/04/09/3d-printing-with-c...