Hi McNeel team, I’ve been using the Box-3pt command a lot more lately and I’ve noticed an odd/annoying behaviour with it. Rather than using the active c-plane to determine the ‘Height’ of the box (like the other box commands) it seems to create it’s own plane using the 3 points used to define the b…

[image] josh.nrb: most use cases It would be really great if you could enumerate these. Jeremy

I see your point with the situation explained above but I also think McNeel has their reasons why certain commands are the way they are.

Mate just go watch the video I shared, there’s a pretty good example in there. Or if you think it’s functioning correctly then how about you give me an example, of how using your first 3 points to define the positive direction of the extrusion is more useful than using them to define the position s…

@martinsiegrist Normally I’d agree. But I think in this one instance it’s something that may have just been overlooked, which is why I’ve asked the question. Maybe most people who use box 3pt just click the final point on screen rather than numerically specifying a distance - in this case you can …

i totally agree. the behaviour is not consistent and should be unified. [image] Tom_P: _box _3Point vs _rectangle _3Point _pause _pause _pause _selNone _selLast _extrudeCrv did any body checked this two identical workflows that result in different behaviour. ? pleas @pascal have a look …

Well, I don’t know, I understand the outrage but I think we could very possibly break many a workflow if this were to be changed. These are not identical workflows - Rectangle > 3pt says nothing, currently, to the Extrude command about an orientation of the plane There are two unrelated commands r…

thanks pascal for having a look. When the extrudeCrv Command behaviour changed from Rh5 to Rh6 the same happend. And i think it is a bad idea to have a pure number commandline input (or macro) depend on mouse position. If mouse position matters, a click should be necessary. _box 3pt gives differ…

Hi Pascal, I don’t see how having an option to specify the direction on screen would break anyone’s workflow. Could still have the default direction set by the implied plane (and I’m gonna keep calling it “implied” plane because nothing in the way the tool is set up suggests that the points you sel…

Just as a little reminder - This is how the box tool should be used as per MC NEEL. 2 separate steps. DRAW a base rectangle DRAW a height for the box. [image]

And box 3-pt specifically… All about using the 3 pts to define the rectangle. Not the ‘height’ direction. [image]

Box 3 point not using c-plane for extrusion height

Rhino

Topic		Replies	Views
Box command often creates box in wrong direction Rhino windows	8	1654	July 12, 2025
Extrude direction Rhino for Windows	27	4634	November 10, 2023
Gives me swish Serengeti (Rhino BETA)	63	5925	November 7, 2016
Box extrusion direction - small bug? Rhino for Windows windows , box	0	41	October 17, 2025
Perpendicular / Normal Extrusion Confusion Rhino for Windows	25	32270	June 7, 2024

Box 3 point not using c-plane for extrusion height

Related topics