https://community.graphisoft.com/t5/Archicad-C-API/How-I-can-get-figure-of-the-hole-created-by-new-element-quot/m-p/271665#M3239 Hello,<BR /> <BR /> The only correct way is to get the 3D body (bodies) of the enclosing wall, and calculate it, because of the huge number of parameters that affect the body generation. Please use the code shown in the ModelAccess_Test example for that. The 3D window/database has to be active, though.<BR /> <BR /> Best, Akos Mon, 02 Dec 2019 12:50:04 GMT Akos Somorjai 2019-12-02T12:50:04Z https://community.graphisoft.com/t5/Archicad-C-API/How-I-can-get-figure-of-the-hole-created-by-new-element-quot/m-p/271664#M3238 <DIV class="actalk-migrated-content">In AC23 I need to get poligon or other figure contour that created by new element "hole" in the wall.<BR />Where I can get it...<BR />Please help me <IMG style="display: inline;" src="https://community.graphisoft.com/legacyfs/online/emojis/icon_rolleyes.gif" border="0" /> .</DIV> Thu, 29 Sep 2022 07:59:50 GMT https://community.graphisoft.com/t5/Archicad-C-API/How-I-can-get-figure-of-the-hole-created-by-new-element-quot/m-p/271664#M3238 Anonymous 2022-09-29T07:59:50Z https://community.graphisoft.com/t5/Archicad-C-API/How-I-can-get-figure-of-the-hole-created-by-new-element-quot/m-p/271665#M3239 Hello,<BR /> <BR /> The only correct way is to get the 3D body (bodies) of the enclosing wall, and calculate it, because of the huge number of parameters that affect the body generation. Please use the code shown in the ModelAccess_Test example for that. The 3D window/database has to be active, though.<BR /> <BR /> Best, Akos Mon, 02 Dec 2019 12:50:04 GMT https://community.graphisoft.com/t5/Archicad-C-API/How-I-can-get-figure-of-the-hole-created-by-new-element-quot/m-p/271665#M3239 Akos Somorjai 2019-12-02T12:50:04Z