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Technical Sketching Technical Sketching A rubric to grade Freehand Technical Sketches Rubric Code: HX7WB45 By davisnjr Ready to use Public Rubric Subject: Engineering Type: Assessment Grade Levels: 9-12

Freehand Sketching Students will be able to EVALUATE a sketching task & CREATE the appropriate type of sketch, following standard drafting conventions/procedures, for effective visual communication.
	Poor / Failing Below 70% 3.25 pts	Minimal / Needs Improvement 70-75% 3.75 pts	Basic 76-80% 4 pts	Proficient 81-90% 4.5 pts	Distinguished 91-100% 5 pts
Choice of Sketch Student chose the appropriate style of sketch as well as the number of views necessary to communicate the desired information. Concept vs Technical Orthographic Projection (One View, Multiviews) Pictorial (Isometric, Oblique, Perspective)	Poor / Failing Draftsman/Engineer failed to communicate necessary information to viewers due to missing views, missing details and/or missing annotations. There is no evidence of the knowledge of industrially acceptable sketch types or views Nor the criteria for choosing an appropriate representation.	Minimal / Needs Improvement Draftsman/Engineer failed to communicate necessary information to viewers due to missing views, missing details and/or missing annotations. There is no evidence of the knowledge of industrially acceptable sketch types or views Nor the criteria for choosing an appropriate representation.	Basic Draftsman/Engineer comprehended the information needed to be communicated, however the chosen sketch style and views failed to include all the necessary information to viewers. Sketch style is industrially acceptable, however better choices for Views selected or Number of views could have improved viewer's ability to obtain information necessary to accomplish stated goals.	Proficient Draftsman/Engineer comprehended the information needed to be communicated through the sketch and correctly created the appropriate sketch type. Better choices for Views selected or Number of views could have improved viewer's ability to obtain information necessary to accomplish stated goals.	Distinguished Draftsman/Engineer fully comprehended the information needed to be communicated through the sketch and correctly created the appropriate sketch type & Number of views. Viewers of the sketch have no difficulty obtaining information necessary to accomplish stated goals.
Construction Lines Used to create ALL elements of the sketch, Barely visible @ arms length, No 'Fuzzy' undefined lines Straight, Parallel, Perpendicular, Crossed ALL corners to create visual reference points, Do NOT detract from visual clarity Visibility (2) Single/Fuzzy (2) Straight (2) Crossed Corners (2) Clarity (2)	Poor / Failing There is little or no visual difference between any of the lines used to create the sketch, causing visual confusion & uncertainty. Lines are fuzzy or multi-width, do not cross at corners are wavy or obviously not Horizontal, Vertical, Parallel or Perpendicular.	Minimal / Needs Improvement There is little or no visual difference between some of the lines used to create the sketch, causing some visual confusion & uncertainty. Lines are fuzzy or multi-width, but corners are crossed. Multiple lines are wavy or obviously not Horizontal, Vertical, Parallel or Perpendicular.	Basic Construction lines used to create the sketch are Single width, and even though they could be lighter, they do not significantly detract from the visual clarity of the sketch. Some lines are are fuzzy or multi-width. A few lines are not Straight ( Horizontal / Vertical ), Parallel, & Perpendicular. All corners have been crossed to create visual reference points.	Proficient Construction lines used to create the sketch are Single width, and even though they could be lighter, they do not significantly detract from the visual clarity of the sketch. Most lines are Straight ( Horizontal / Vertical ), Parallel, & Perpendicular. All corners have been crossed to create visual reference points.	Distinguished Construction lines used to create the sketch are Single width, barely visible at arm's length, and do not detract from the visual clarity of the sketch. When necessary all lines are Straight ( Horizontal / Vertical ), Parallel, & Perpendicular. All corners have been crossed to create visual reference points.
Object Lines Clearly distinguishable from paper & construction lines, Depict visible edges of the object, Single Width, Dark, 'Crisp', Consistent Width & Darkness, Sharp corners & intersections, No 'Double Lines' No Gaps, Over-Runs ALL Edges (2) Dark/Consistent (2) Single/Fuzzy (2) Cover Construction Lines (2) Sharp Corners (2) Clarity (2)	Poor / Failing There is little or no visual difference between any of the lines used to create the sketch, causing visual confusion & uncertainty. Lines are fuzzy or multi-width, there are Gaps or Over Runs at the corners. Lines that should Depict visible edges of the object are missing.	Minimal / Needs Improvement There is little or no visual difference between some construction lines and final object lines, causing some visual confusion & uncertainty. Lines are fuzzy or multi-width, there are Gaps or Over Runs at the corners. Some Lines that should Depict visible edges of the object are missing.	Basic All lines depicting visible edges of the object are present; Single Width, and even though they could be darker, they are distinguishable from paper & construction lines. Several inconsistencies in Width and/or Darkness are visible although Most Corners are sharp (90 degrees) with occasional Double Lines, Gaps, or Over-Runs.	Proficient All lines depicting visible edges of the object are present; Single Width, with minor inconsistencies in Width and/or Darkness although Clearly distinguishable from paper & construction lines. Most Corners are sharp (90 degrees) with some miniscule Gaps, or Over-Runs.	Distinguished All lines depicting visible edges of the object are present; Single Width, Consistent in Width, Darkness and Clearly distinguishable from paper & construction lines. Corners are sharp (90 degrees) and there is no evidence of Double Lines, Gaps, or Over-Runs. Accurately cover construction lines.
Sketching Technique / Aids 'Dot to Dot' or 'Dash to Dash' for long lines, Bisected Squares used to inscribe large Circles, All complex shapes are created from Blocked out 'Basic Shapes'	Poor / Failing Final sketch is far from a near photographic representation of the object AND there is NO visual evidence that any sketching techniques or "Aids" are utilized by novice sketchers to improve the quality of their representation.	Minimal / Needs Improvement Final sketch is rudimentary. Basic shapes have been blocked out but NOT used as part of the final sketch. Other specific sketching techniques or "Aids" were not utilized by novice sketchers to improve the quality of their representation.	Basic Most basic shapes have been Blocked Out. Some specific sketching techniques or "Aids" are utilized by novice sketchers, resulting in minor improvements. Minimal attempts utilizing construction lines to "Get it Right" are evident.	Proficient ALL basic shapes have been blocked out. Other Specific sketching techniques or "Aids" are utilized by novice sketchers, including but not limited to, Dot-Dot, Dash-Dash, Bi-section of lines & shapes. Multiple attempts utilizing construction lines to "Get it Right" are evident.	Distinguished ALL basic shapes have been blocked out. Other Specific sketching techniques or "Aids" are utilized by novice sketchers, including but not limited to, Dot-Dot, Dash-Dash, Bi-section of lines & shapes. Multiple attempts utilizing construction lines to "Get it Right" are evident.
Views Correct view(s) are utilized for chosen object Multiple views are located in correct positions, on ONE Side of a Single Sheet of paper, Edges & detail elements of multiple views are accurately aligned, View representations are accurate in Shape, Orientation of View(s) match orientation of paper	Poor / Failing The view chosen to be the front does not follow drafting conventions. Views necessary to completely and accurately describe the object are missing. Some views are in wrong locations or on another sheet of paper. Included views are oriented incorrectly and/or do NOT align with each other.	Minimal / Needs Improvement Correct "Front View" was chosen based on Longest measurement and most characteristic view but is oriented incorrectly. Views necessary to completely and accurately describe the object are missing. Some views are in wrong locations or on another sheet of paper. Included views do NOT align with each other.	Basic Correct "Front View" was chosen based on Longest measurement and most characteristic view. All views are positioned correctly on ONE Side of a single sheet of paper. View Edges are aligned however, multiple detail elements do not align. The addition or removal of selected views might improve communicating required information.	Proficient Correct "Front View" was chosen based on Longest measurement and most characteristic view. Remaining views are faithful in Shape & depict an accurate "Point of View". All views are positioned correctly on ONE Side of a single sheet of paper with most Edges & detail elements aligned. The addition or removal of selected views might improve communicating required information.	Distinguished Correct "Front View" was chosen based on Longest measurement and most characteristic view. Remaining views are faithful in Shape & depict an accurate "Point of View". All views are positioned correctly on ONE Side of a single sheet of paper with Edges & detail elements precisely aligned. The number of selected views are adequate for communicating required information.
Proportions Obvious attempts to establish proportion are visible (Construction Lines) Overall proportions of the final sketched object mirror the original (Height-Width-Depth), Relationships of one part (or Detail element) with others are consistent throughout the sketch	Poor / Failing Overall proportions of the sketch are obviously wrong and there is no visual evidence that attempts were made to reproduce a reasonable representation of the object. Relationships of one part (or Detail element) with others are unrealistic and/or inconsistent throughout the sketch.	Minimal / Needs Improvement Overall proportions of the sketch are NOT reasonable. Construction lines were drawn to establish proportions but were NOT used. Relationships of one part (or Detail element) with others are unrealistic and/or inconsistent throughout the sketch.	Basic Overall proportions of the sketch are reasonable. Relationships of one part (or Detail element) with others are unrealistic and/or inconsistent throughout the sketch.	Proficient Construction Lines show Obvious attempts to establish proportion. Overall proportions of the final sketched object are reasonable in Height-Width-Depth. Relationships of one part (or Detail element) with others are consistent throughout the sketch.	Distinguished Construction Lines show Obvious attempts to establish proportion. Overall proportions of the final sketched object mirror the original (Height-Width-Depth) and Relationships of one part (or Detail element) with others are realistic and consistent throughout the sketch.
Accuracy / Details Time was obviously dedicated to representing specific details, View representations are accurate in Shape, & Size, ALL necessary details are included or labeled Physical objects can be Identified by Comparison with the sketch (Identical)	Poor / Failing View representations are distorted in Shape, Size, and Proportion and change from view to view. Major attributes of the object are missing. There are no details, Sketch includes little more than basic shapes which could have been completed in minimal time.	Minimal / Needs Improvement Physical Object may be hard to identify when compared to sketch. View sizes change from view to view. Major attributes of the object are included However there are very few identifying details which are often incomplete.	Basic View sizes are reasonably accurate and consistent. All major attributes of the object are included. There are minimal details which are often incomplete and hurried (eg. square corners instead of rounded )	Proficient Physical objects are easily Identified by Comparison with the sketch. All but the most minute details are included or labeled. View representations are accurate in Shape, Size, and Proportion.	Distinguished Physical objects are easily Identified by Comparison with the sketch. Time was obviously dedicated to representing specific, minute details which are all included or labeled. View representations are accurate in Shape, Size, and Proportion.
Clarity / Neatness Obvious effort is displayed in the Organization, Layout, & Clarity of the sketch, View representations are large enough for clarity, No portion of sketch or required information Touches or Extends off of the paper edge, Printed text is legible & easily read, No visible Erasures, Smudges, Smears, Paper has NOT been Folded, Creased or Wrinkled	Poor / Failing Sketch is unorganized, too small to see or too large to fit. Text is sloppy and often un-readable. Paper is dirty, has multiple smudges, smears, and/or wrinkles/folds. Final Image is difficult to discern and confusing to viewers.	Minimal / Needs Improvement Sketch fits on paper, however Text is sloppy and often un-readable. Paper is dirty, has multiple smudges, smears, there are NO wrinkles/folds. Final Image is difficult to discern and confusing to viewers.	Basic Sketch is organized & fits on paper, but could me made larger or smaller for clarity. Text is sloppy but readable. Paper has multiple erasures, and has been folded in half.	Proficient Effort is displayed in the Organization, Layout, & Clarity of the sketch. View representations are large enough for clarity, yet could be more appropriately sized for the space available. Printed text is legible & easily read. There are No visible Erasures, Smudges, or Smears, AND Paper has NOT been Folded, Creased or Wrinkled.	Distinguished Obvious effort is displayed in the Organization, Layout, & Clarity of the sketch. View representations are large enough for clarity, yet No portion of sketch or required information Touches or Extends off of the paper edge. Printed text is legible & easily read. There are No visible Erasures, Smudges, or Smears, AND Paper has NOT been Folded, Creased or Wrinkled.
Annotation / Documentation Name Date Title of Object Labels used to identify information or details not visually evident, Clarifying Text Notes are used when necessary, Dimensions (when used) are placed appropriately	Poor / Failing Missing even Basic information such as Name and Title. There are NO annotations or dimensions.	Minimal / Needs Improvement Basic information such as Name and Title are present. Minimal annotations. No dimensions are included.	Basic Basic information such as Name and Title are present. Some annotations are present but insufficient to fully communicate necessary information. Missing some dimensions.	Proficient Sketch includes a Title, Date & Draftsman's/Engineer's Name. Sketch is completely documented utilizing descriptive labels and clarifying text to identify information or details not visually evident. Some Dimensions when used are Missing or not appropriately placed.	Distinguished Sketch includes a Title, Date & Draftsman's/Engineer's Name. Sketch is completely documented utilizing descriptive labels and clarifying text to identify information or details not visually evident. Dimensions when used are accurate and appropriately placed.

Keywords:

Freehand Sketches Concept Technical Pictorial

Subjects:

Engineering

Types:

Assessment

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