Lets decode this form with foam!
Exploded View: What’s inside?
Prototyping Round 1:
How do you hold it?
This has cuts in the bottom to grip this with your thumb and index finger
This invites you to pull from the top and bottom
This sees you grip the sides and use the palms of your hands.
My parents work for Caterpillar so I choose to start by studying a Caterpillar Tape Measure. It has a top bottom style grip with the rubber on the top and bottom. This allows your finger to access the lock on the front.
This helped me to better understand the shape and form of the tape measure. Where it is remains as a cylinder and where the form emerges from it to provide better functionality and ergonomics. I used a rasp, and sandpaper the make the form.
I started by cutting each of my exclamation points in half so they would show better.
This design is more durable, and uses a top bottom grip style.
This exists to be in a museum and is not very practical. The sharp sides guide your eyes to the opening.
This also replies on a push lock in the back
This style is a combo of the finger and palm grip. It dips in the back to fit better in your hand.
This is a palm grip which give finger access to a lock on the top with a dip in the back