12-08-2012, 12:49 PM
(This post was last modified: 12-08-2012, 08:46 PM by puzzledpaul.)
Whilst I don't realistically imagine this will be of use to anyone, it might just provide some solace for insomniacs 
![[Image: Ntutdrawcombo5_01.gif]](http://img.photobucket.com/albums/v492/pppix/Ntutdrawcombo5_01.gif)
1. Standard start - 2 columns, LH one duped for the diagonal and rotated a little at random to show it exists.
To align the upper face of this diagonal with the target vert, select whole object, Rotate > Rot to target > MMB ... and select edge shown (in yellow) as rotate axis.
2. Select same edge to provide origin for rotate axis.
3. Select vert shown as the point to be aligned
4. Select the 3 verts shown to describe the target plane
5. Side view showing the normal of the target plane - and the fact that the diagonal isn't correctly aligned prior to op.
6. After op - top face of diagonal now points to target.
To extend diagonal block, use flatten
7. Select bottom face of block
8. Face | Flatten > MMB, select edge shown - or any others parallel to specify axis.
9. Select bottom LH corner vert of RH column to specify length.
10. After flatten op.
To get the desired result result, the diagonal needs to be rotated more about p such that its rear face passes thro' the point r used in (5).
The following stages describe a method of placing a point c in the correct place on the rear face of the diagoal block.
11. Select the bottom rear face on diagonal and mirror to create additional geom.
Use Tools | Connect to draw edges as shown - from vert r to somewhere similar to that shown (not critical) - view in appropriate direction, in ortho when doing this.
12. Select new edges
13. Edge | cut > 10
14. Select all verts along these newly cut edges and apply Vert | Deform > Inflate > RMB. Select vert shown as centre.
![[Image: Ntutdrawcombo5_02.gif]](http://img.photobucket.com/albums/v492/pppix/Ntutdrawcombo5_02.gif)
15. Select vert shown to specify radius.
16. Drag > 100% (hold shift to constrain). You now have an arc of the correct radius (pr - see 10) centred on p. Where this arc intersects the original back face of the diagonal (somewhere between A and B)is the point needed. This pic shows that constructing the arc has modified that back face - and it's no longer a straight edge between A and B.
17. Optional - can cut this edge and repeat the Vert | Inflate op if you want a bit more precision
18. Use Tools | Connect to re-join AB. Doing this provides the point C - the one needed. Can now remove the unwanted geom.
19 - 23. Apply another Rotate to Target > MMB as before using the elements shown.
Still not an absolutely precise w/f - but not too bad imo...and Luiz was asking about 'drawing' type methods
Further pondering ...
No need for 2 rotate to target ops ... just one.
No need for flatten op.
so...
Make 2 columns
Duplicate LH column and extend the bottom - if too long, doesn't matter - not critical.
Create extra geom on rear (as above)
Create arc as above, using point r to set radius.
Once point C has been created, then do the rotate to target op.
1. Standard start - 2 columns, LH one duped for the diagonal and rotated a little at random to show it exists.
To align the upper face of this diagonal with the target vert, select whole object, Rotate > Rot to target > MMB ... and select edge shown (in yellow) as rotate axis.
2. Select same edge to provide origin for rotate axis.
3. Select vert shown as the point to be aligned
4. Select the 3 verts shown to describe the target plane
5. Side view showing the normal of the target plane - and the fact that the diagonal isn't correctly aligned prior to op.
6. After op - top face of diagonal now points to target.
To extend diagonal block, use flatten
7. Select bottom face of block
8. Face | Flatten > MMB, select edge shown - or any others parallel to specify axis.
9. Select bottom LH corner vert of RH column to specify length.
10. After flatten op.
To get the desired result result, the diagonal needs to be rotated more about p such that its rear face passes thro' the point r used in (5).
The following stages describe a method of placing a point c in the correct place on the rear face of the diagoal block.
11. Select the bottom rear face on diagonal and mirror to create additional geom.
Use Tools | Connect to draw edges as shown - from vert r to somewhere similar to that shown (not critical) - view in appropriate direction, in ortho when doing this.
12. Select new edges
13. Edge | cut > 10
14. Select all verts along these newly cut edges and apply Vert | Deform > Inflate > RMB. Select vert shown as centre.
15. Select vert shown to specify radius.
16. Drag > 100% (hold shift to constrain). You now have an arc of the correct radius (pr - see 10) centred on p. Where this arc intersects the original back face of the diagonal (somewhere between A and B)is the point needed. This pic shows that constructing the arc has modified that back face - and it's no longer a straight edge between A and B.
17. Optional - can cut this edge and repeat the Vert | Inflate op if you want a bit more precision
18. Use Tools | Connect to re-join AB. Doing this provides the point C - the one needed. Can now remove the unwanted geom.
19 - 23. Apply another Rotate to Target > MMB as before using the elements shown.
Still not an absolutely precise w/f - but not too bad imo...and Luiz was asking about 'drawing' type methods
Further pondering ...
No need for 2 rotate to target ops ... just one.
No need for flatten op.
so...
Make 2 columns
Duplicate LH column and extend the bottom - if too long, doesn't matter - not critical.
Create extra geom on rear (as above)
Create arc as above, using point r to set radius.
Once point C has been created, then do the rotate to target op.