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5th March 2020, 05:04 PM #1SENIOR MEMBER
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MDF Torsion Box Build with MFT Dog hole Layout
After 25 years, I have retired the old bench. I am impressed with the versatility of the Festool MFT & decided to build a monocoque type bench with a torsion box top & legs using 18mm MDF, 25mm plywood, incorporating the MFT grid. Skirts are Mountain Ash. The finish is Tung oil.The idea came from a torsion box design by Tom Casper in an old Popular Woodworking.
I can be a bit of a messy worker, so a tool tray is essential. I also wanted an overhanging vise & legs flush with the top. Dimensions are 1500x540mm (720mm including the tray). Height is 900mm & I have used 80mm, M12 adjustable feet as the garage was built before levels were invented! The base is 1100x540mm & although a small footprint, it is very stable & all up, it is quite heavy.
Joinery is simple, glue, nails & screws. Although it is not a masterpiece as some these benches are, it incorporates all the aspects that were lacking in my old bench. The MDF & ply were very cheap & I already had the hardwood. Overall, it cost about $300, mostly hardware & $180 for a secondhand Parf System & am very impressed with its accuracy. The HNT Gordon vise is a gem & the 100mm stroke is fine with the 96mm MFT spacings. I am still waiting for a box of Parf dogs & other bits that are being 3D printed, another $100. I'm a very happy chappie. Peter
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5th March 2020, 05:58 PM #2Senior Member
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- Aug 2016
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- Hervey Bay
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Looks great Peter, be really interested hear how you find it after a couple of projects.
Every time I think about a new bench I end up in analysis paralysis.
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5th March 2020, 07:02 PM #3SENIOR MEMBER
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- Oct 2005
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- North Balwyn Victoria
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I know the feeling!! I drew this in a graphics app & there are 15 versions over a few weeks. I'd lie awake at redesigning things!! I am already finding the dog holes a real bonus using the 2 dogs supplied with the Parf System & a modified quick grip clamp. Peter
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12th April 2020, 02:04 PM #4Intermediate Member
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- Apr 2020
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- Brisbane
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Nice work
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12th April 2020, 08:07 PM #5SENIOR MEMBER
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- Oct 2005
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- North Balwyn Victoria
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- 72
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- 520
Love it!! First issue rose when I was chopping with chisels & there was some 'bounce' in the middle of the table. This was solved by doing this work over the legs. If I redesign the layout, I would beef up the plywood grid over the legs, otherwise, couldn't be happier!!
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