plotly

With backend="plotly", px.Plot draws an interactive figure that can be zoomed and panned, and returns the plotly Figure. Passing the Figure as ax adds more objects to it, as with matplotlib. Sketch plots also show the id of the element under the mouse, and field plots the value there. See Sketch plots and Fields for details.

The example is the bell crank from matplotlib:

import planex as px

bosses = [px.Circle((0, 0), 9).Face(), px.Circle((40, 0), 6).Face(), px.Circle((0, 30), 6).Face()]
arms = [px.Line((0, 0), (40, 0)).Offset(4), px.Line((0, 0), (0, 30)).Offset(4)]
holes = [px.Circle((0, 0), 4).Face(), px.Circle((40, 0), 3).Face(), px.Circle((0, 30), 3).Face()]
crank = px.Subtract([px.Unify(bosses + arms), *holes])

fig = crank.Plot(backend="plotly", face_col="lightsteelblue", legend=False)
fig

A second position

The bell crank, swung by 30° about its pivot, is added to the same figure:

crank.Rotated((0, 0), 30).Plot(ax=fig, face_col="wheat", legend=False)

Saving

write_html saves the figure as an HTML file that opens in any browser and stays interactive:

fig.write_html("bell-crank.html")