Custom tool design requires balancing multiple engineering principles including material selection (titanium for strength and durability), mechanical locking systems (cantilever beam locks for blade security), precision machining (blade rails for smooth operation), and ergonomic considerations (gravity drop close for user satisfaction), demonstrating how systematic engineering thinking can create superior products that address specific user needs.
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The Titanium Knife I Built Because Nothing Else Was Good EnoughAdded:
Check this out. Hi, my name's Brian. I run a small business out of Doylestown, Pennsylvania. I designed this knife and a few other cool tools and I want to tell you about the story. In my 20s, I was a mechanical engineer designing home automation products. I liked the job, but I was working on someone else's dream, not mine. My brain's wired to look at a product and come up with ways I can improve it to make it unique. When I looked at a standard utility knife, it felt bulky, full of extra parts, and wasn't something I wanted to carry. I wanted something I could have me at all times without taking up any noticeable space.
I set out to design the knife from a solid piece of titanium. The single piece frame also reduces failure points and keeps the design sleek and clean.
And since we do all the assembly ourselves, keeping it minimalistic like our other tools is a must.
The cantilever beam locks the blade securely and lets you swap it out in under 5 seconds without tools. There's a magnetic lock in the back for extra safety. It keeps the blade in place even when the mechanical lock is disengaged.
And yeah, the gravity drop close, people say it's just fun. It's one of the features that customers mention the most.
In order to make the gravity drop work seamlessly every time, we machine in what we call blade rails. Two on the front and two on the back of the frame interior. These are small rails on which the blade slides, which allows for smooth movement even if the blade accumulates tape residue or debris.
Small details like this are hidden all over the tool and truly lead to an amazing experience.
I also designed this tool with blade longevity in mind.
When it rests, the blade's supported at two points. As it slides out, it's pushed up against the top surface so the bottom edge doesn't slide on the frame, helping keep the blade sharp day after day. The built-in magnet's pretty handy.
You can stick one on the fridge for that never-ending stream of boxes. We probably assemble, test, and ship all the orders from our own house.
Just for you.
Thanks for watching and thanks for everyone who supported us. It means the world to us.
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