I thought I had built in enough room for growth when I redid the cabinets, but over the past year my systainers have spilled over, both due to new Festool acquisitions and because I've been systainerizing my other tools. Despite a concerted effort to weed out some of my older, no longer frequently used tools through resale or donation, it was starting to get crowded on the shop floor, with the sys-roll serving as an ad hoc systainer storage unit:
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The cabinets above the systainer ports were similarly stuffed to the gills:
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So I decided to squeeze a few more square feet out of the back cabinet and add some more systainer ports without sacrificing too much cabinet space. Fortunately I had built everything using only dominoes for alignment and pocket hole screws as fasteners, so it was really simple to dismantle the top unit:
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I was able to trim and recycle most of this material, though I did have to get one more sheet of red oak ply and edge it with red oak hardwood to match. I should note here that the HKC 55 was a real champ on this project -- the longer 670 rail was perfect for handling the 15 1/2" wide material out of which the cabinet is made.
With everything temporarily pulled out of the cabinets and on the shop floor, I was having flashbacks to the chaos that had prompted me to do the original reorganization:
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With the top cabinets disassembled, I took the opportunity to trim, notch and fortify the studs on the back gable -- the cabinet itself is plumb because of the base I built, but variations in the concrete floor and presumably the back wall made the cabinet butt into into the framing materials:
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I again dominoed and pocket holed everything -- some I was able to do on the floor:
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But a lot was done in situ perched on a ladder. So for the systainer port expansion, I only had to make the top horizontal shelf and the dividers -- these were then just secured in place to the top of the existing systainer bay with dominoes and pocket screws:
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End result gave me room for the equivalent of another four Sys-5's with headroom to spare for handles or stacks of multiple systainers:
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The new cabinet configuration on the upper portion is roughly the same amount of square footage as before -- I didn't measure the difference, but I've been able to put (almost) everything back that was up there, and also took the opportunity to weed out a few more items that were just collecting dust:
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The cabinet is, however, 11 feet tall now, and so I am going to redo the 2x4 ladder to give me a few more feet so I'm not stretching above my head when I have to grab stuff from the very top.
As you can see, I've been able to squeeze just about every last square inch out of that back wall.