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Do’s and Don’t’s reproduced with kind permission from a lofting master.
And an inspiration to us all, Mr. Henry O Hubich
1. Don't try to loft a Group.
2. Don't bother drawing symmetrical profiles to make a symmetrical object. Model half the object, then mirror-
3. Do draw a single profile, then place a copy where you want the next profile to be and then edit it as necessary. Repeat for each successive profile.
4. Do make the profiles as simple and clean as possible.
5. Do be aware of the Format|Create solid|From surface option, new in v10. In many cases, you can use open profiles and then invoke that option to fill in the resulting hollow shell. (Doesn't always work well.) Also be aware that a hollow shell is acceptable in some cases.
6. Do consider alternative approaches to profile arrangement -
7. Do anticipate adjusting your profiles to repair imperfections in the finished loft. Lotsa luck.
Lofting with TurboCad
Do you need to loft, -
Profile -
Quantity and positions of profiles is trial, error, and experience, I use guidelines to roughly tell the positioning, quantity is guesswork, but try not to overdo’ it, too many can actually cause problems
What can be lofted -
Drawing guidelines -
One note on the Offset tool, if you use the offset to get different sized profiles, and your shape has tight corners, the offset tool may round these over, as in the cloud in Fig 1.3, this is not a bug but the way TC calculates the offset centre, Its better to draw the inner first and offset and node edit the outer, or scale the image and node edit,
Genie makes nice clouds -
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