Open a new image 300x300 with a
transparent background. Null the background and set the
foreground to brown, I used #4B371B. Use the paintbrush tool
, round, size 15,
hardness 0, opacity 50, step 1, density 100. Paint the
general shape of your spruce in the center of your canvas.
You need to leave room to apply KPT FibreOptix..

Ctrl+A, Ctrl+F, this will select and float.
Effects/plugin filters/KPT5/KPT5 FiberOptix.
Open the preset menu .
My preset should show in the left hand side as shown 
Apply
the preset and there you have your spruce. 
Apply
a drop shadow, I used vertical and horizontal 0, opacity 100,
blur 9.9. Save in PSP format or export as a tube. Making
a tube which has the same spruce but at different angles is
pretty straightforward. Copy and paste as a new image.
Image/canvas size. This window will give you the original size
of the canvas, mine was 212x195. 
You
will need to resize the canvas so that the width and height
are the same. A nice round number for mine was 220x220, check
both boxes on the image placement section. Now we need to
resize the canvas size again. I am going to make a tube that
has 4 images. So will double the size of the width and height
so that they are both 440x440. But we need the image to be in
the top left hand corner so uncheck the boxes on the
image placement section and change the top and left numbers to
0. 
Because
my spruce looks as though it is hanging down I rotated by 180.
You may not think this is necessary or your spruce may be the
right way up so rotating it is your choice. 
Layers/duplicate.
Image/flip. Layers/duplicate. Image/mirror. Layers/duplicate.
Image/flip. You should now have an image with 4 layers with
the spruce evenly distributed. 
Merge
all layers visible and export as a tube at these settings.
Have a play to see what else you can come up
with :o) 
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