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AutoCAD Based 3D Modeling (Ribbon/Toolbar/Location)

Button: Show System Model Error Type: Fatal Error

Description:

When attempting to 'Show Fittings' (SHF command), user gets an AutoCAD Fatal Error.

Create 3D Model causes a fatal error

 

Solutions:

1.
Cause:

SHF command doesn't like the configuration of;  line pipe --> armover vertical pipe --> armover pipe --> sidewall head
Solution:

Using the CRN command or by editing the vertical pipe (double-click), change the type of vertical pipe from ARMOVER to LINE.  Then change the green armover pipe to the yellow lines layer.
2.
Cause:

Create 3D model without showing fittings will not cause the error.  Using Show Fittings in Model give the Fatal Error.

Layout was setup as, Branchline > armover pipe > sidewall.  The armover diameter was 1/2" diameter
Solution:

Either remove the armover pipe and move the sidewall to the branchline, or change the diameter of the armover pipe to 1".

(Thanks Matt K!)
3.
Cause:

More than one sprinkler head being fed by a green pipe

 
Solution:

In this case we cannot use green pipe (SPRKDAT4) here.

 
4.
Cause:

Similer to the side outlet to a sidewall, this one was to a plug

 
Solution:

Change the SPRKDAT4 pipe's layer to SPRKDAT2
5.
Cause:

Armover piping is connected directly to main piping
Solution:

Armover piping should only be connected to branchline piping (SPRKDAT4 to SPRKDAT2).  If you have a vertial pipe, make sure its properties are corrected as well
Updated: March 8, 2024, 4:37 p.m. Created: July 12, 2019, 8:13 p.m.