One bolt will be required for the pivot element to hold it in place and if to be fitted a grub screw in the pivot hols.Ī further 2 bolts are required for the pencil holder, one to hold the pencil and one for the holder to lock it in place at the desired radius. This in conjunction with the hole dimension means the bolts are a tight fit but try not to skew or cross thread the bolt in the hole as this will reducing its effectiveness. Using PLA and M3 bolts means that the material is soft enough to allow the bolts to cut a thread negating the need to tap the holes first.
Screws and bolts with rounded ends helps make the task easier and mounting the element in a vice will help stabilise it and reduce the likelihood of the screw/bolt ending up skewed. Next fit the screws, placing the element on a flat surface with the hole facing up and push the thumb screw or bolt in to the hole whilst applying downward pressure and turning clockwise. A needle file can be used to clear the slots and holes if required.
Once printing is complete remove the brim filing off any excess, check that the slots are blockage free as this will prevent the ruler from passing through the element. Photo measures mode to add measures data to. Camera ruler mode to measures objects using your camera. Clear the Measurement Once you’re done measuring an image, click on the Clear button to remove the current measurement. As you drag, the ruler tool will measure the area and display the measurement units in the ruler options bar.
Sliders to measure small objects accurately. Once you have confirmed that it is visible, click and drag the ruler tool in your open image document window. The orientation of the elements in relation to the bed is critical as a result of the slots and the impact of gravity.Īs a result the slots are orientation vertically and short arcs are used in non supportive horizontal runs to eliminate sagging. The most completed ruler solutions for your phone It includes a classic ruler, a tape measure and a camera ruler. It usually does a very good job, but don’t be surprised if you get unexpected results. Photoshop is telling you that it believes this change in angle will make the ruler line you made in your picture a straight. The design would be created using BlocksCAD. 3.Simply go to Image/Image Rotation/Arbitrary and you will get a dialog box with a number already in it. The slider that holds the pencil needs to be able to slide up and down the ruler and locked in placed with a thumb screw at the required point to set the circle radius. Nail), that is the centre of the circle to be drawn.įor greater flexibility two pivot elements can be made for interchangeability subject to requirements simply swapping the elements as required for the task. The pivot element sits at the end of the ruler and is held in place with a screw, a hole at the extreme is the pivot point.ġ: Fixed with a grub screw that will be the circle centre.Ģ: Placed over a fixed point (i.e.
These are the pivot element and the slider which holds the pencil and are designed to be 3D printed.īoth elements have a slot which is compatible with the ruler allowing them to slide up and down. Only two elements are required to be made for the compass ruler these are made to fit a 12mm x ~0.5mm steel ruler