An auxiliary sheet-metal working device facilitates the completion of bodywork repair and painting operations with the affixing of anagrams, logos and any kind of indications. For this purpose, the device can include a flat platform with one or more rulers on at least one straight edge. In certain embodiments, the auxiliary sheet-metal working device can include at least one movable and/or removable ruler.

A tool capable of creating and measuring circles and circular profiles of any size without the need for a pivoting center arm. Circle size can be selectively adjusted and held, and both the inside and outside of tool creates and measures circles of a near infinite number of size. The tool contains marking rules such as radius, diameter, arc length, circumference, sector area, area of a circle for any size circle, etc., obviating the need for calculating the same, and any or a combination of unit measure systems can be employed.

The present invention relates to a fractal-based mandala drawing toolset, comprising at least one pair of rulers each having a different cross-sectional width, where each pair of rulers is related by the ratio between their cross-sectional widths, wherein said related pair of rulers and the combination of their widths are utilized for drafting a master grid with a predetermined shape and resolution, which is utilized as the infrastructure for creating a mandala drawing.

A printmaking placement tool that permits multiple aligned and layered prints comprising a main body, a plurality of paper guides, and a plurality of bores located in a top surface of the main body that are adapted to receive and engage the plurality of a paper guides. In some embodiments, a bottom surface of each of the plurality of paper guides includes an at least one protrusion adapted to be received in the plurality of bores. In further embodiments, the placement tool comprises a main body having a raised outer edge and no paper guides or corresponding bores are utilized.

A ruler with a slot is described herein. The slotted ruler may include a plurality of widthwise and lengthwise lines that form different sized rectangles and squares located above and below the slot for measuring. The lines may be spaced at fractional metric or imperial intervals. The slotted ruler may further include a plurality of hatch marks. The slotted ruler may further include a set of at least the numbers one, two, three and four spaced 1 centimeter or 1 inch apart located above the slot, an aligned set of numbers located below the slot, as well as an offset set of numbers.

A layout tool for scribing an arc includes an arm, a variable location pivot point arrangement on the arm, and a plurality of mark openings spaced from the pivot point arrangement. A position fixing member, such as a nail, is engaged with the pivot point arrangement to fix the position of the tool on a workpiece at a pivot point defined by the position fixing member. A marking instrument is engaged within one of the mark openings, and the tool is pivoted on the workpiece about the pivot point to make an arcuate mark on the workpiece at a radius defined by the location of the position fixing member relative to the mark opening within which the marking instrument is engaged. The tool may be a square, which is configured with two arms that extend away from each other at a predetermined angle.

A cement siding tolerance device and measurement tool, which has a main panel having a tab and a ridge, whereby the tab and the ridge perpendicularly extend from the main panel at opposite sides. The main panel has a front face, a rear face, a top edge, a bottom edge, first and second lateral edges, and a plurality of holes. The main panel has ruler-markings adjacent to the first and second lateral edges. The main panel is rectangular in shape. The tab perpendicularly extends from the front face separated a predetermined distance from the bottom edge, and the ridge perpendicularly extends from the bottom edge at the rear face. The tab and the ridge measure clearances and gaps between siding and trim products with solid surfaces building elements.

The present invention relates to a fractal-based mandala drawing toolset, comprising at least one pair of rulers each having a different cross-sectional width, where each pair of rulers is related by the ratio between their cross-sectional widths, wherein said related pair of rulers and the combination of their widths are utilized for drafting a master grid with a predetermined shape and resolution, which is utilized as the infrastructure for creating a mandala drawing.

A system comprises at least one layout member configured to be mounted at a site where the layout member includes measurement graduations thereon and is configured to be marked with a marking implement and a template mounted to the layout member and selectively slidable along the layout member to a selected graduation corresponding to at least one coordinate of an installation site for installation of equipment. The template includes one or more apertures. The apertures permit passage of a marking implement to mark the at least one coordinate of the installation site on the layout member.

A combinational template and scale ruler to accurately draw three-dimensional (3D) drawing is disclosed. The scale ruler is a transparent plate, which includes a plurality of apertures disposed at a middle portion. Each aperture defines a substantially continuous linear aperture corresponding to a visible edge of 3D shape. A plurality of indicium is juxtaposed around each aperture to facilitate drawing of the 3D shape. The plurality of indicium is inscribed in surface of the scale ruler. The plurality of indicium is graduated to define angle and size factor of the aperture to facilitate drawing of the 3D shape. The plurality of indicium further includes 3D shape of a cube of the aperture. The plurality of indicium includes information regarding the classification of the 3D shape. The plurality of apertures is arranged in groups and subgroups of the groups based on a type of projection of the 3D shape.