Helix.lsp error - help?
Helix.lsp error - help?
(OP)
Hi,
I installed the helix.lsp routine in autocad 2000 - for modeling 3d screw threads.
When I use HLX, enter the TPI, dia, length, resolution, AutoCAD reports the error:
"HELIX - Error: AutoCAD variable setting rejected: "SURFTAB1" 1
SYSTEM VARIABLES have been reset"
I am positive that HLX worked fine last time I used it (quite some time ago), but now on 3 different machines, it does not work. The model generated appears to be one thread.
Any ideas?
I installed the helix.lsp routine in autocad 2000 - for modeling 3d screw threads.
When I use HLX, enter the TPI, dia, length, resolution, AutoCAD reports the error:
"HELIX - Error: AutoCAD variable setting rejected: "SURFTAB1" 1
SYSTEM VARIABLES have been reset"
I am positive that HLX worked fine last time I used it (quite some time ago), but now on 3 different machines, it does not work. The model generated appears to be one thread.
Any ideas?





RE: Helix.lsp error - help?
**UPDATE**
OK I checked a reference, valid settings for SURFTAB1 & SURFTAB2 is 2 to 32766. Maybe you need to modify your input to cause output to have more resolution, so it will (internally?) increase the SURFTAB setting.
RE: Helix.lsp error - help?
On both the 2000 machine & AAD I tried bumping the surftab1 & 2 up to 10000 and it still returns the same error.
I swear HLX used to work on both of these machines...
Thanks again!
-TJ