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Print at Dec 21, 2025, 10:21:25 AM

Posted by Puybaret at Feb 23, 2010, 4:38:16 PM
Re: Export OBJ without floor
As I wrote before, remove only the f-lines before before the first "g wall" line.
For example, the file:

#
# Generated by Sweet Home 3D - mar. feb. 23 17:34:33 CET 2010
# http://www.sweethome3d.eu/
#
mtllib test.mtl
g ground_1
usemtl ground_1
v 0.0 0.0 -3.9999998
v 0.0 0.0 3.9999998
v 200.0 0.0 3.9999998
v 200.0 0.0 -3.9999998
f 1 2 3
f 1 3 4
g wall_1_5
usemtl wall_1_5
v 0.0 0.0 -3.9999998
v 0.0 0.0 0.0
v 0.0 250.0 0.0
v 0.0 250.0 -3.9999998
v 200.0 0.0 0.0
v 200.0 250.0 0.0
v 200.0 0.0 -3.9999998
v 200.0 250.0 -3.9999998
vn -1.0 0.0 0.0
vn 0.0 0.0 1.0
vn 1.0 0.0 0.0
vn 0.0 0.0 -1.0
vn 0.0 0.0 0.0
f 5//1 6//1 7//1 8//1
f 6//2 9//2 10//2 7//2
f 9//3 11//3 12//3 10//3
f 11//4 5//4 8//4 12//4
v 0.0 0.0 -3.9999998
v 0.0 0.0 0.0
v 200.0 0.0 0.0
v 200.0 0.0 -3.9999998
vn 0.0 1.0 0.0
vn 0.0 0.0 0.0
f 13//6 14//6 15//6
f 13//6 15//6 16//6
v 0.0 250.0 -3.9999998
v 0.0 250.0 0.0
v 200.0 250.0 0.0
v 200.0 250.0 -3.9999998
vn 0.0 1.0 0.0
vn 0.0 0.0 0.0
f 17//8 18//8 19//8
f 17//8 19//8 20//8
g wall_1_21
usemtl wall_1_5
v 0.0 0.0 0.0
v 0.0 0.0 3.9999998
v 0.0 250.0 3.9999998
v 0.0 250.0 0.0
v 200.0 0.0 3.9999998
v 200.0 250.0 3.9999998
v 200.0 0.0 0.0
v 200.0 250.0 0.0
vn -1.0 0.0 0.0
vn 0.0 0.0 1.0
vn 1.0 0.0 0.0
vn 0.0 0.0 -1.0
vn 0.0 0.0 0.0
f 21//10 22//10 23//10 24//10
f 22//11 25//11 26//11 23//11
f 25//12 27//12 28//12 26//12
f 27//13 21//13 24//13 28//13
v 0.0 0.0 0.0
v 0.0 0.0 3.9999998
v 200.0 0.0 3.9999998
v 200.0 0.0 0.0
vn 0.0 1.0 0.0
vn 0.0 0.0 0.0
f 29//15 30//15 31//15
f 29//15 31//15 32//15
v 0.0 250.0 0.0
v 0.0 250.0 3.9999998
v 200.0 250.0 3.9999998
v 200.0 250.0 0.0
vn 0.0 1.0 0.0
vn 0.0 0.0 0.0
f 33//17 34//17 35//17
f 33//17 35//17 36//17

should become:

#
# Generated by Sweet Home 3D - mar. feb. 23 17:34:33 CET 2010
# http://www.sweethome3d.eu/
#
mtllib test.mtl
g ground_1
usemtl ground_1
v 0.0 0.0 -3.9999998
v 0.0 0.0 3.9999998
v 200.0 0.0 3.9999998
v 200.0 0.0 -3.9999998
g wall_1_5
usemtl wall_1_5
v 0.0 0.0 -3.9999998
v 0.0 0.0 0.0
v 0.0 250.0 0.0
v 0.0 250.0 -3.9999998
v 200.0 0.0 0.0
v 200.0 250.0 0.0
v 200.0 0.0 -3.9999998
v 200.0 250.0 -3.9999998
vn -1.0 0.0 0.0
vn 0.0 0.0 1.0
vn 1.0 0.0 0.0
vn 0.0 0.0 -1.0
vn 0.0 0.0 0.0
f 5//1 6//1 7//1 8//1
f 6//2 9//2 10//2 7//2
f 9//3 11//3 12//3 10//3
f 11//4 5//4 8//4 12//4
v 0.0 0.0 -3.9999998
v 0.0 0.0 0.0
v 200.0 0.0 0.0
v 200.0 0.0 -3.9999998
vn 0.0 1.0 0.0
vn 0.0 0.0 0.0
f 13//6 14//6 15//6
f 13//6 15//6 16//6
v 0.0 250.0 -3.9999998
v 0.0 250.0 0.0
v 200.0 250.0 0.0
v 200.0 250.0 -3.9999998
vn 0.0 1.0 0.0
vn 0.0 0.0 0.0
f 17//8 18//8 19//8
f 17//8 19//8 20//8
g wall_1_21
usemtl wall_1_5
v 0.0 0.0 0.0
v 0.0 0.0 3.9999998
v 0.0 250.0 3.9999998
v 0.0 250.0 0.0
v 200.0 0.0 3.9999998
v 200.0 250.0 3.9999998
v 200.0 0.0 0.0
v 200.0 250.0 0.0
vn -1.0 0.0 0.0
vn 0.0 0.0 1.0
vn 1.0 0.0 0.0
vn 0.0 0.0 -1.0
vn 0.0 0.0 0.0
f 21//10 22//10 23//10 24//10
f 22//11 25//11 26//11 23//11
f 25//12 27//12 28//12 26//12
f 27//13 21//13 24//13 28//13
v 0.0 0.0 0.0
v 0.0 0.0 3.9999998
v 200.0 0.0 3.9999998
v 200.0 0.0 0.0
vn 0.0 1.0 0.0
vn 0.0 0.0 0.0
f 29//15 30//15 31//15
f 29//15 31//15 32//15
v 0.0 250.0 0.0
v 0.0 250.0 3.9999998
v 200.0 250.0 3.9999998
v 200.0 250.0 0.0
vn 0.0 1.0 0.0
vn 0.0 0.0 0.0
f 33//17 34//17 35//17
f 33//17 35//17 36//17

----------------------------------------
Emmanuel Puybaret, Sweet Home 3D creator

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Dec 21, 2025, 10:21:25 AM