Routing a Profile With Follow Me


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I had a chance just lately to speak with some British
woodworkers about utilizing SketchUp and a query got here up
concerning the order of operations particularly concerning
placing a profile on the perimeters of a desk prime. For a lot of duties
in SketchUp, the order you do issues in could be switched up however
usually doing them a method can lead to much less work than different
strategies. And typically it’s six of 1 and half a dozen of the
different.

I drew this little Edwardian-period revolving bookcase to
present some examples. This one venture might present a number of
case research on this topic. I’m going to point out a method to attract
the highest.


As I wrote, there are a number of methods to strategy this. You may
do one thing extra such as you may do within the store and reduce the highest
to dimension, then add the curves between the corners and eventually
route the profile. This time, I opted to vary it up a
little. 

I began with a sq. to know I’ve the general prime sized
appropriately. I laid out for the mitered corners on simply two of
them.

I drew the profile for the sting at one nook. The profile is
drawn on the midpoint of that mitered edge. You’ll see how that
works out shortly.

Then I used the Bezier Curve software to attract the curve. Because the
curve is symmetrical throughout the highest, I solely drew half of the
curve. While you draw a curve with the Bezier Spline software, don’t
agonize over getting the curve form appropriate the primary time.
Simply get it in after which alter it by transferring the little purple +
symbols.

After getting the curve drawn, use Transfer/Copy and duplicate it towards
the alternative facet. I copied it within the purple route previous the
proper hand nook of the highest. Then I mirrored it utilizing the
Scale software and moved it into place so it related to the miter
line drawn on the suitable entrance nook. That miter line get cut up
in half by drawing a brief line from its midpoint after which
erasing the unneeded half.

I deleted the remainder of the sq. leaving me with the curve
proven in blue which would be the path for Comply with Me and the
profile over on the left.

Now it’s time to run Comply with Me. Effectively, nearly. Within the case of
the profile I drew, operating Comply with Me on the regular dimension of the
profile and path ends in some small holes on the corners.
This wouldn’t occur with each profile and path so is perhaps
price giving it a attempt. In case you do get holes you employ my favourite
trick.

I chosen the trail and profile and made a element. On this
case, I additionally added cross hairs on the cetner of the highest.
They’ll get deleted later.

After creating the element, I used Transfer/Copy and made a duplicate
of this element. Make sure to do this with the element
displaying the blue bounding field. that signifies the element is
not open for modifying. Then scale the copy up by an element of 100
or 1000. Open that element for modifying and run Comply with Me.

Here’s a shut up of the nook of the massive copy of the
element. You may see the nook closed up properly. You may
additionally see the total sized mannequin on the origin.

The faces are reversed within the extrusion as indicated by the
inexperienced colour which is my again face colour. It’s a good suggestion to
appropriate face orientation because it occurs so I reversed the faces
on this geometry. Then I erased the flat backside and inside
faces leaving simply the profile as a shell.

Subsequent, I chosen the profiled edge and use Rotate/Copy to
create the opposite three edges. As with the Transfer software, hitting
Ctrl on the PC or Possibility on the Mac invokes the copy operate.
Rotate the primary copy and kind 90, hit enter and instantly
hit *three or x3 and even 3x and hit Enter once more.

At this stage theres no prime or backside. Get the road software and
hint an edge alongside the highest and one other on the underside to
generate the wanted faces.

After the faces are full, click on with Choose exterior the
element to shut it. Or hit Esc to do the identical factor. Then
delete the large copy of the element and return to the mannequin
with Zoom Extents.

This profile has a small vertical part on the prime. The
best strategy to create that’s to make use of Push/Pull to tug the highest
face up.

The highest for this piece has a skinny stringing set in from the
edges. So as to add that element, I used Offset however as a result of form
of the highest, Offset will create some undesirable geometry. To keep away from
create undesirable intersections between the perimeters of the highest and
the offset edges, I made a decision to create the stringing exterior the
prime element.

I opened the highest element for modifying and with Choose, double
clicked on the highest face to pick out the face and its edges. I
copied the choice with Edit>Copy (Ctrl+C or Command-C)
after which I closed the highest element by hitting Esc. Subsequent, I
used Edit>Paste in place to place the copied face again out
into the mannequin.

Chosen the face and get the Offset software. Click on on the sting
and drag within the required distance. You may see the surplus
geometry on the corners. This could all be erased. Be aware, I
quickly hid the highest to get it out of the best way.

After the surplus geometry is cleaned up, run Offset once more to
create the width of the stringing. Delete the inside face
leaving simply the stringing.

There isn’t a lot level in creating the surplus geometry that
you’d get from making the stringin 3D. I chosen it and used
Edit>Reduce to chop it to the clipboard. Then I unhid the highest,
opened it for modifying and used Edit>Paste in place to stick
the stringing into the highest. This ends in separating the highest
so completely different supplies could be utilized for the highest and the
stringing.

It seems like quite a lot of steps nevertheless it goes fairly quick once you
get to doing it.

As you might be drawing in SketchUp, you may discover it helpful to
experiment with completely different approaches to drawing issues. Perhaps
you’ll discover a means that works higher for you and ends in much less
work.

Dave

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