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Modeling
About Archicad's design tools, element connections, modeling concepts, etc.

CIRCLE TANGENT TO THREE LINES??? CANYOU DO IT?

Anonymous
Not applicable
Can anybody tell me how to draw a circle tangent to three lines or other circles?
I didn't know where to post this question - to Tips and tricks or to Wishes. Or to Wishes never to be...
Every time I need to do it I switch to AutoCAD and copy it back to AC.
So, you can do it in AutoCAD guys...
23 REPLIES 23
Laszlo Nagy
Community Admin
Community Admin
I think this option somehow got into ArchiCAD at some point.
Because when we had that original thread it was defiitely not possible. Two lines plus 1 point was possible, but 3 lines was not. I guess the developers justs made it possible at some point.
Loving Archicad since 1995 - Find Archicad Tips at x.com/laszlonagy
AMD Ryzen9 5900X CPU, 64 GB RAM 3600 MHz, Nvidia GTX 1060 6GB, 500 GB NVMe SSD
2x28" (2560x1440), Windows 10 PRO ENG, Ac20-Ac28
Barry Kelly
Moderator
laszlonagy wrote:
I think this option somehow got into ArchiCAD at some point.
Because when we had that original thread it was defiitely not possible. Two lines plus 1 point was possible, but 3 lines was not. I guess the developers justs made it possible at some point.
That's what I thought but then thought I must have missed something when I checked in version 12 and it worked there.
But 2004 must have been around version 9.

Anyway I'm glad it works now - just sad I'll probably never need it.

Barry.
One of the forum moderators.
Versions 6.5 to 27
i7-10700 @ 2.9Ghz, 32GB ram, GeForce RTX 2060 (6GB), Windows 10
Lenovo Thinkpad - i7-1270P 2.20 GHz, 32GB RAM, Nvidia T550, Windows 11
Laszlo Nagy
Community Admin
Community Admin
I also checked the Help file, it correctly states that you can define 3 tangent edges.
Loving Archicad since 1995 - Find Archicad Tips at x.com/laszlonagy
AMD Ryzen9 5900X CPU, 64 GB RAM 3600 MHz, Nvidia GTX 1060 6GB, 500 GB NVMe SSD
2x28" (2560x1440), Windows 10 PRO ENG, Ac20-Ac28
Anonymous
Not applicable
A parametric "Circle Tangent to 3 Circles" object.
Not yet implemented in ArchiCAD.

Adjust Blue Circles with Hotspots.
Hide Blue Circles.
Explode the Object.

Enjoy.