Whiteboard Drawing Compass with Suction Feet
Whiteboard Drawing Compass with Suction Feet
Student's name
First and last name, and class if you know it. This goes on the pack label.
Pickup available at Mega DC – Tweed Heads South
Usually ready in 24 hours
Draws a 70cm circle on the board, and stays put while you do it
Three suction cups, a turning handle, and a holder that takes chalk or markers from 6 to 18mm. Maximum radius about 70cm. $70.00.
The problem with a board compass is not drawing the circle - it is the pivot moving halfway round. Three suction cups fix the pivot to the board so the arc closes where it started, which is the entire difference between a demonstration and an apology.
The turning handle means one smooth motion rather than a series of short pulls, and a smooth motion is what makes a circle look like a circle from the back of the room.
It takes whatever you write with. A round pushing device grips anything from 6 to 18mm in diameter - chalk on a blackboard, a marker on a whiteboard, round or square edged. No proprietary refills.
About 70cm maximum radius, so a 1.4 metre circle - a full board on most classroom whiteboards. A scale shows the angle of the feet, so you can set the same radius twice.
Check your board first. Suction cups need a smooth, non-porous surface. They hold on glass, melamine and painted steel whiteboards. They will not hold on a chalkboard with any texture, or on a board with a worn matte surface.