Friday, May 05, 2006

The Eleven by Four Foot canvas - Act 2

OR

How to build big canvas; Bingorage-style


(ACT 1); here.
(ACT 3); here.


Click pics for larger, detailed view.

So... I went down to my local hardware store and bought a couple of 16', 1"x4" spruce boards and a couple of pre-cut 4' dowels (wood, unknown). I had the sawyer/ lackey cut two 11' lengths and two 4' lengths out of the 16' boards; then took them back to the studio and laid them out...

After I had finally cleared a space for them, in the Bingorage World Headquarters.
BWQ (Bingorage World Headquarters), after dusk.
[BWQ (Bingorage World Headquarters), after dusk.]


Laying out the canvas box-frame.
Laying out the canvas box-frame.


Line up the butt-joints and drill the pilot holes.
Line up the butt-joints and drill the pilot holes; through the depth of one board and into the end grain of the other.


Countersink pilot holes, to recess screwheads.
Countersink pilot holes, to recess screwheads.


Fasten butt-joint with coarse thread drywall screws.
Fasten butt-joint with coarse-thread drywall screws. I like to use a screw that is at least 1&3/4".


A fuzzy pic of finished butt-joint.
A fuzzy pic of finished butt-joint. Ooops.


Positioning the braces; shim the depth, uniformly.
Positioning the braces; shim the depth, uniformly. I used the identical tiles on the floor to eyeball the placement of the braces, equidistant from the centre and sides. I then used small, identical paperboard boxes to set the braces at equal distances from the floor (and what will, eventually, be the 'face' of the canvas).


Mark the position of the braces.
Mark the position of the braces. I used red pastel.


Positions of the braces marked.


Drill pilot holes in centre of brace marks, from inside.
Drill pilot holes in centre of brace marks, from inside.


Countersink holes, on outside.
Countersink holes, on outside.


Stand the box.
Stand the box.


Position the braces.
Position the braces.


Fasten the butt-joint between board and dowel.
Fasten the butt-joint between board and dowel.


Okay. At this point, my instructions are flying without pictures, because I haven't made the final brace, yet. But this is kinda what it's going to look like:
Crossbrace sketch
Crossbrace sketch.

The long cross brace will need to be butt-joined at the ends and where it crosses the dowels, giving the canvas more strength against diagonal forces and twisting; as well as reinforcing the side boards from bowing. I'll have pics as soon as I put in the big crossbrace. By that time, I should have the canvas stretched, as well.



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2 comments:

bingo and betty said...

... excellent blogg!(S)

JLB said...

Thanks for the update. It certainly looks as though you are having fun!!