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Sagarika_J
Participant

How to Model A basement Bulkhead Door/Hatch?

Has anyone modeled an exterior basement bulkhead hatch like the one in the attached photo? If so, what's the most efficient modeling method?

 

Sagarika_J_1-1781294948518.png

 

Operating system used: Windows

3 Replies 3
Patrick M
Ace

its not likely to need to be scheduled, right? you could just use morphs or walls + roofs... 
I guess it depends on the level of detail you need and how parametric you need it.

it would be fairly easy to script out from scratch as well or model and save as an object.

BIM solutions and trouble shooting (self proclaimed) expert. Using Archicad Version (all of them), on Mac OS (whatever is 1 version older than current)
Patrick M
Ace

here's a kind of fun option:


-place any window or door type you want to use for a sloping hatch

-select the placed door, go to file > libraries and objects > open object

-change the subtype to skylight

 

Screenshot 2026-06-12 at 4.30.23 PM.png

 

-in the master script, add a line at the top: rotx roof_angle (this will match the slope of the roof used for the hatch top)

 

Screenshot 2026-06-12 at 4.30.33 PM.png

 

-model the hatch with walls, beams, etc... use a roof for the hatch lid and place your 'custom' skylight for the opening. since it's using the door or window macros, you should have access to all the leaf/sash/hardware options!

 

Screenshot 2026-06-12 at 4.31.16 PM.png

BIM solutions and trouble shooting (self proclaimed) expert. Using Archicad Version (all of them), on Mac OS (whatever is 1 version older than current)
Patrick M
Ace

OR, you could do it the lame way and just use an angled wall with a door or window in it...

 

Screenshot 2026-06-12 at 4.35.41 PM.png

BIM solutions and trouble shooting (self proclaimed) expert. Using Archicad Version (all of them), on Mac OS (whatever is 1 version older than current)

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