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 19th December 2004, 08:49 AM #1 Hawk Senior Member Professional user   Join Date: Nov 2004 Posts: 191 Hollow pipe-how to While I''m at posting questions here's another I wish to draw a hollow tube, meaning a longish pipe with an outside dimeter of say, 8 cm in diameter with a 6mm wall thickness and 3 m long (Example only), visually it does have to be precise, mainly I need to know how what method is used to make a image of a hollow tube. :?:
 19th December 2004, 09:19 AM #2 Dughor Member Expert member   Join Date: Dec 2004 Location: Cologne/Germany Posts: 62 Make two tubes, on the same axis. (don't cap ends) Say we make them along z axis (Make tube at front view). One tube size to x=0.8, y=0.8, z=5 One tube size to x=0.6, y=0.6, z=5 Move both to 0/0/0 Take the inner tube, and flip normals Mark both tubes and merge them. Create new surfaces at the edge of both tubes Voila - ready... __________________ Richthofens Skies Dev-Team
 19th December 2004, 09:34 AM #3 Hawk Senior Member Professional user   Join Date: Nov 2004 Posts: 191 Hollow pipe-how to Thanks that did the job I have a tube, on the last step "Create new surfaces at the edge of both tubes" can't get this to work, what needs to be done?
 19th December 2004, 09:40 AM #4 Dughor Member Expert member   Join Date: Dec 2004 Location: Cologne/Germany Posts: 62 Ok, now you have to tubes... Go to vertice mode Select two vertices of tube1 and the same two vertices on tube2 Press ctrl-shift S to create a surface between them. Select vertices counterclockwise... __________________ Richthofens Skies Dev-Team
 19th December 2004, 09:55 AM #5 Hawk Senior Member Professional user   Join Date: Nov 2004 Posts: 191 Hollow pipe-how to I'm getting a note and red lines?
 19th December 2004, 12:02 PM #6 Dughor Member Expert member   Join Date: Dec 2004 Location: Cologne/Germany Posts: 62 First the note: Did you merge the two tubes? Second: Red lines are an invalid poly. If you dont select the single vertices counter clokwise. Select both tubes in object mode. press ctrl+shift+M to merge them to one object. The select two(!) vertices of each tube, where a new surface should be created. Select those 4 vertices counter-clockwise (thats important) Then create new surface using ctrl+shift+S __________________ Richthofens Skies Dev-Team
 19th December 2004, 01:02 PM #7 Andy Administrator Professional user     Join Date: Jun 2003 Posts: 4,451 An easier method is to make a line 8cm away from the axis, and 6mm long. Then revolve the line (object->revolve) to make a ring. Then extrude the ring to make a pipe. Andy
 19th December 2004, 02:01 PM #8 Dughor Member Expert member   Join Date: Dec 2004 Location: Cologne/Germany Posts: 62 Hehe... How about: Draw a disk. Make Hole. Extrude? __________________ Richthofens Skies Dev-Team
 19th December 2004, 02:06 PM #9 Andy Administrator Professional user     Join Date: Jun 2003 Posts: 4,451 not really try it and see what you get. I think you mean 1 - make ellipse 2 - set surface type to poly 3 - make hole 4 - extrude
 19th December 2004, 02:58 PM #10 Dughor Member Expert member   Join Date: Dec 2004 Location: Cologne/Germany Posts: 62 But I was pretty close __________________ Richthofens Skies Dev-Team

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