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When it comes to the Sketcher tool, understanding all your available options is key. You can add text in a sketch when creating extruded protrusions and cuts, trimming surfaces, and while creating cosmetic features. In addition, the sketched text can be used by almost any solid or surface feature, as long as the rules for open and closed sketches are followed. You can create sketch text, modify its attributes, and place it along a curve. Once you thoroughly understand all the many capabilities of this helpful tool, you’ll immediately become more productive.
Construction geometry is important because it enables you to easily constrain your sketch. It is signified by a dotted entity within Sketcher and can be dimensioned and constrained in the same manner as regular, solid geometry. Once you understand the theory behind construction geometry, you can make otherwise difficult dimensioning schemes easy. When you toggle the Construction Geometry mode on, you can use any sketch tool available to sketch new geometry, but the resulting geometry is created as construction geometry rather than solid geometry. You can then toggle off Construction Geometry mode and resume sketching solid geometry using the same sketch tools.
Sometimes, a conventional dimension is not enough to properly capture design intent. Consider using a baseline dimension to create an ordinate dimension scheme. When you place the baseline dimension, switch to normal dimensioning, and dimension the baseline to a reference; the resulting dimension is ordinate.
A Reference dimension is a driven dimension that is created within Sketcher. Reference dimensions track with geometry, but you cannot edit their value. Reference dimensions are denoted within Sketcher with the suffix REF. You can create a Reference dimension for linear, angular, and radial dimensions. Reference dimensions do not factor into a sketch's regeneration, so they cannot cause over-dimensioning. Also, you can display Reference dimensions on a 2D drawing. Click Reference from the Dimension group to create a Reference dimension.
It’s easy to convert existing dimensions into a Perimeter dimension. To create a Perimeter dimension, select all the geometry that is to be included in the perimeter measurement. You must then specify the dimension to be varied. This dimension is driven by the Perimeter dimension. That is, as the perimeter value is updated, the sketch geometry updates by varying the dimension specified. You can click Perimeter from the Dimension group to create a Perimeter dimension.Remember to follow PTC University on LinkedIn and Instagram.