For a Caseful of Pennies.

 Boys and Girls, 

Another import from LJ… just for my records.

----------------------------------------- ooooOOOO From LJ OOOOooooo ---------------------------------------------

Boys and Girls,
 
Another project that can finally be published after receiving some tardy happy-snaps of it in use.
 
Quite a while back, a request was placed by a friend for a set of display boxes for Australian decimal coinage.  My design liberties were somewhat constrained by our counterfeiting laws and restricted the measurements to the sizes of our legal tender.  The intention was to amass some representative, chronological sets for the denominations of 10c, 20c, 50c (round and dodecagon shapes), $1 and $2 coins…

The intention was to sandwich the coins between two panes of glass so they could be viewed from either side (gallery pictures #4 and #5).
 
The friend requesting these display boxes was a glazier so I wasn't over charged for the sample glass… he didn't charge me extra for the scratches. Though to cut costs, he only sold me one pane… I'm guessing he expected me to take a photo copy on my MFC (or make one out of wood).
 
Having accidentally smashed his original sample against my sledge hammer, I found it easier to toss a laser cut Perspex face plate around the workshop, than the now 100 or so piece (the accident took me 2 swings) of the original glass sample… for the record, both the glass and Perspex were 3mm thick (a record is 2.8mm thick).

Naturally the design was done in SketchUp,
 

 
The end slot on one of the square sides was so designed that the glass and coins could be inserted into the case, consequently the bottom of the top sheet of glass was 1mm below the slot opening to "lock" it in place… yeah, I'm confused too, so here's a picture to remind me of what I'm trying to say,

Pilot sizes for some of the coins,

were first cut out of MDF to test fit,
 

... the above paddle (with 4 coins), will confuses the bjesus out of our Aussie vets during a Two-up game on ANZAC Day (LWF).
 
Now satisfied, the coin retainers were cut out on the laser from 3mm MDF
 

(leaving some neat disc scraps)
 

 and the slotted face plate,

out of 3mm merbau.

Cut the strips for the frame sides out of pine,

and mitered to length,
 

   
Slot for the "glass" and coin holder routed (10mm),

oopsie only detected on the bloody Murphy's last piece,

(that was a case of only detected AND NOT detected only) and nearly filled a rubbish bin with un-usable "oopsies"

… oh bugger!
Repeated the entire process,

tested the fit,

so far so good… now for a glass of…

... oh crap!... and this time fully filled that rubbish bin with a repeat of un-usable "oopsies"

More cut, routed and tested fit again,

was happy and routed out a 4mm  slot in one of the sides,

(actually 6 sides as I made 6 cases).

Once happy as a "pigin" Schitt's Creek,  finally cracked out a… glue bot!
 

Even the slot side was nailed (glued)

Back at the tablesaw, set up my spline jig,

and performed another one of that now dreaded test fit

passed the muster,

followed by the production sweat line manufacture,

The contrasting face plate was carefully attached,

Lined up for final finishing,

The slot side was packed by some scrap to permit clamping for finish sanding,

And here are those pictures of our Australian mintage being privately hoarded (without tax),
 

 
Enough of this financial penny pinching triva… off to document my next project… in not too many sleeps.
 
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