Engineering Drawing

Course Description

EGN1110C – Engineering Drawing (sometimes titled "Engineering Graphics" or "Engineering Drawing and Design") is a 3-credit, integrated lecture-and-laboratory course covering the foundations of engineering visual communication. Students learn to create, read, and interpret engineering drawings — the standardized graphical language used by engineers and designers worldwide to specify and document physical objects, systems, and processes. Topics typically include orthographic projection (multi-view drawings); pictorial representations (isometric, oblique, perspective); sectional views; auxiliary views; dimensioning and tolerancing per ANSI/ASME Y14.5; geometric dimensioning and tolerancing (GD&T) at an introductory level; assembly drawings; surface finish; threads and fasteners; introductory CAD-based drawing using AutoCAD, Inventor, SolidWorks, or similar; and engineering-drawing standards and conventions.

The course sits within the Florida Statewide Course Numbering System (SCNS) under Engineering: General > Engineering Graphics and is offered at approximately 4 Florida public institutions. EGN1110C is foundational for civil, mechanical, and aerospace engineering bachelor's programs at Florida SUS institutions; it is also widely accepted as preparation for engineering-technology programs at the AS level. The course is distinguished from the engineering-technology drawing courses (ETD-prefix courses already in the broader corpus) primarily by its alignment to the engineering bachelor's curriculum rather than the engineering-technology AS curriculum — though content overlap is substantial. Students should verify articulation with their receiving SUS institution.

Modern engineering drawing is overwhelmingly produced through Computer-Aided Design (CAD) software rather than manual drafting, though understanding the conventions of engineering drawing remains essential regardless of medium. EGN1110C typically dedicates significant lab time to CAD instruction. The skills developed in EGN1110C are foundational across nearly every engineering discipline — the ability to read, interpret, and produce engineering drawings is one of the universal engineering competencies that bridges design, manufacturing, construction, and analysis.

Learning Outcomes

Required Outcomes

Upon successful completion of EGN1110C, students will be able to:

• Apply the principles of orthographic projection: third-angle projection (the U.S. standard); first-angle projection at an awareness level (the European standard); selecting appropriate views (front, top, right side; less commonly bottom, left side, back); the relationship between three-dimensional objects and their two-dimensional representations.
• Read and produce multi-view engineering drawings: drawing objects from multiple views; visualizing three-dimensional objects from multi-view drawings; resolving ambiguities through additional views; recognizing common drawing errors.
• Apply the principles of pictorial representations: isometric drawing (the most common pictorial form); oblique projection; introduction to perspective drawing; the appropriate use of pictorial views to supplement orthographic views.
• Apply the principles of sectional views: full sections; half sections; offset sections; broken-out and removed sections; the conventions for showing internal features through sectioning; section-line conventions for different materials.
• Apply the principles of auxiliary views: when auxiliary views are needed; primary and secondary auxiliary views; representing inclined and oblique surfaces accurately.
• Apply principles of dimensioning and tolerancing per ANSI/ASME Y14.5: linear, angular, and radial dimensions; dimensioning conventions and best practices; placement of dimensions; the difference between functional and reference dimensions; introductory tolerancing (limit dimensions, plus-minus tolerancing); the relationship between tolerances and manufacturing capability/cost.
• Apply geometric dimensioning and tolerancing (GD&T) at an introductory level: the GD&T symbols; datums and datum reference frames; tolerances of form (flatness, straightness, circularity, cylindricity); tolerances of orientation (parallelism, perpendicularity, angularity); the rationale for GD&T over conventional plus-minus tolerancing.
• Apply principles of assembly drawing: representing assembled parts; bill of materials; sectional and exploded views in assembly contexts; reference designations; the relationship between detail drawings and assembly drawings.
• Apply principles of threaded fasteners and standard parts: thread conventions (detailed, schematic, simplified); thread specification (UN, UNC, UNF, ISO metric); common fastener types and selection; the role of standard parts in engineering design.
• Apply principles of surface finish and surface texture: surface finish symbols and their meaning; the relationship between surface finish and manufacturing process; specifying surface finish where it matters and not where it doesn't.
• Use CAD software at an introductory-to-intermediate level: most Florida programs use AutoCAD (the most common), Autodesk Inventor (parametric solid modeling), SolidWorks (parametric solid modeling), or Fusion 360. Students develop competency in: 2D drawing and editing; layer management; dimensioning; producing professional-quality engineering drawings; basic 3D modeling at an introductory level (in parametric tools).
• Apply principles of title blocks, drawing standards, and revision control: ANSI standard title-block format; the importance of revision history; numbering and tracking drawings in engineering practice.
• Demonstrate visualization skills: visualizing three-dimensional objects from incomplete information; rotating objects mentally; sketching freehand to communicate engineering ideas; the role of sketching in early-stage design.
• Read and interpret existing engineering drawings: extracting design intent from drawings; identifying critical features; recognizing standard conventions; recognizing errors or inconsistencies in drawings.
• Apply principles of good engineering communication through drawings: clear, unambiguous representation; appropriate level of detail for the drawing's purpose; the iterative relationship between design and drawing in engineering practice.

Optional Outcomes

• Apply introductory parametric solid modeling: feature-based modeling; sketches and constraints; parametric relationships; the design intent of parametric modeling.
• Engage with introductory engineering analysis through CAD: mass-property calculations; introductory finite-element analysis (where included by the institution); the relationship between CAD models and downstream analysis.
• Engage with introductory civil-engineering drawing: floor plans, site plans, and structural drawings (where institutional curriculum emphasizes civil engineering).
• Engage with introductory electrical schematic drawing: schematic conventions; reading and producing simple electrical schematics (where institutional curriculum emphasizes electrical engineering).
• Engage with introductory rapid prototyping: 3D printing of CAD-modeled parts; the relationship between digital design and physical prototype.

Major Topics

Required Topics

• Engineering Drawing as Visual Communication: The role of drawings in engineering practice; engineering drawings as legal documents; ANSI/ASME Y14 standards and the global engineering-drawing standards landscape.
• Lettering, Sketching, and Manual Conventions: Engineering lettering conventions; freehand sketching skills; line types and their meanings (visible, hidden, center, dimension, extension, leader, phantom, cutting-plane); line weights.
• Orthographic Projection — Multi-View Drawings: Third-angle projection (U.S. standard); selecting appropriate views; the front-top-right convention; visualizing three-dimensional objects from multi-view drawings; common errors and how to avoid them.
• Pictorial Representations: Isometric drawing; oblique projection; introductory perspective drawing; appropriate uses of pictorial representations.
• Sectional Views: Full sections; half sections; offset sections; broken-out and removed sections; section-line conventions for different materials; conventions for what is and is not sectioned (e.g., shafts and ribs are typically not sectioned).
• Auxiliary Views: Primary and secondary auxiliary views; representing inclined and oblique surfaces; when auxiliary views are needed and when they are not.
• Dimensioning: Linear, angular, and radial dimensions; dimensioning conventions per ANSI/ASME Y14.5; placement of dimensions; functional vs. reference dimensions; the importance of dimensioning to allow manufacturing.
• Tolerancing — Conventional: Plus-minus tolerancing; limit dimensions; bilateral and unilateral tolerances; the relationship between tolerance and manufacturing capability; the relationship between tolerance and cost.
• Geometric Dimensioning and Tolerancing (GD&T): The GD&T symbols; datums and datum reference frames; tolerances of form (flatness, straightness, circularity, cylindricity); tolerances of orientation (parallelism, perpendicularity, angularity); the rationale for GD&T; introductory examples in design contexts.
• Threaded Fasteners and Standard Parts: Thread conventions (detailed, schematic, simplified representations); thread specifications (UN, UNC, UNF, ISO metric); standard fastener types (machine screws, bolts, nuts, washers); the role of standard parts in engineering design.
• Surface Finish and Surface Texture: Surface-finish symbols; specifying surface finish; the relationship between surface finish and manufacturing process; cost implications.
• Assembly Drawings: Detail drawings vs. assembly drawings; bill of materials (BOM); reference designations; sectional and exploded assembly views; assembly numbering conventions.
• CAD Tools — Introduction to AutoCAD (or Inventor/SolidWorks): The CAD interface; coordinate systems; drawing and editing commands; layer management; dimensioning in CAD; producing professional-quality engineering drawings; introductory 3D modeling (in parametric tools).
• Title Blocks and Drawing Management: ANSI standard title-block format; revision history; drawing-numbering systems; the role of drawings in engineering documentation.
• Reading and Interpreting Drawings: Extracting design intent; identifying critical features; recognizing standard conventions; identifying errors or inconsistencies.
• Visualization Skills: Mental rotation of objects; freehand sketching for engineering communication; the relationship between sketching and CAD modeling.

Optional Topics

• Introductory Parametric Solid Modeling: Feature-based modeling in Inventor or SolidWorks; sketches and constraints; design intent.
• Introductory CAD-Based Engineering Analysis: Mass-property calculations; introductory finite-element analysis.
• Civil-Engineering Drawing: Floor plans, site plans, structural drawings (where institution emphasizes civil engineering).
• Electrical Schematic Drawing: Reading and producing simple electrical schematics (where institution emphasizes electrical engineering).
• 3D Printing and Rapid Prototyping: Producing physical prototypes from CAD models.

Resources & Tools

• Most-adopted textbooks at Florida institutions: Engineering Graphics: Tools for the Mind by Plantenberg (SDC Publications); Technical Drawing by Giesecke, Mitchell, Spencer, Hill, Dygdon, Novak, Lockhart, Goodman (Pearson); Engineering Drawing and Design by Madsen and Madsen (Cengage); Engineering Graphics with SolidWorks by Planchard (SDC Publications); Engineering Design Graphics with AutoCAD by Leach (McGraw-Hill).
• Open-access alternatives: Introduction to Engineering Graphics by Akers and Mehler (free online materials); LibreTexts engineering-drawing modules; the Autodesk free education resources for AutoCAD and Inventor.
• CAD software (typical): AutoCAD (free for students through Autodesk Education Community at autodesk.com/education) — the most common CAD platform at Florida engineering programs; Autodesk Inventor (also free for students) — parametric solid modeling; SolidWorks (institution-licensed at many institutions) — parametric solid modeling, popular at SUS engineering programs; Fusion 360 (free for students) — emerging integrated CAD/CAM platform; OnShape (free for students) — cloud-based parametric CAD.
• Drawing standards references: ANSI/ASME Y14 series (Engineering Drawing and Related Documentation Practices); the most-cited specific standards include Y14.5 (Dimensioning and Tolerancing), Y14.36M (Surface Texture Symbols), and Y14.41 (Digital Product Definition Data Practices). Some institutions also use ISO 128 (technical drawing) and other ISO standards for international-engineering context.
• Online learning platforms: Cengage MindTap; Pearson MasteringEngineering; the Autodesk learning platform; Lynda.com / LinkedIn Learning (often institution-provided).
• Reference and visualization tools: The McMaster-Carr online catalog (provides excellent free CAD models of standard parts); GrabCAD Community (free CAD model library); the National Institute of Standards and Technology (NIST) drawing standards resources.
• Tutoring and support: Institution engineering learning centers; CAD software-specific tutoring (often via institution computer labs); faculty office hours; engineering student-society peer mentoring (particularly through ASME or ASCE student chapters).

Career Pathways

EGN1110C develops foundational engineering-drawing skills required across nearly every Florida engineering career pathway. Specific direct-application careers include:

• Mechanical Engineer / Mechanical Designer — engineering drawing is foundational to mechanical design; Florida manufacturing, aerospace, defense, and theme-park sectors.
• Civil Engineer / Structural Engineer — drawing skills are essential for site plans, structural drawings, and infrastructure documentation; Florida's substantial construction and infrastructure sector.
• Aerospace Engineer — Florida aerospace sector (NASA Kennedy Space Center, Lockheed Martin, Northrop Grumman, L3Harris, Boeing, Embraer, SpaceX); precision drawing for aerospace components.
• Defense Engineer / Defense Systems Engineer — Florida's substantial defense-engineering sector; drawing standards for defense applications.
• Industrial Designer — product design with engineering precision; Florida design firms.
• CAD Designer / Drafter — Florida engineering firms; production drafting using AutoCAD, Inventor, Revit, or similar.
• Manufacturing Engineer — drawings as the bridge between design and manufacturing; Florida manufacturing sector.
• Architectural Engineer / Architectural Drafter — Florida architecture and AEC firms.
• Theme-Park Engineer / Imagineer — Walt Disney Imagineering, Universal Creative; precision drawings for ride and attraction design.
• Engineering Technologist (AS or BAS) — Florida engineering-technology BAS programs.
• Pathway to Specialty Engineering Bachelor's Programs — EGN1110C is foundational preparation for civil, mechanical, aerospace, and other engineering disciplines at Florida SUS institutions.

Special Information

Articulation and Transfer

EGN1110C articulation varies by SUS institution. Some Florida engineering programs accept EGN1110C as direct equivalent to their first-year engineering-graphics course; others require a discipline-specific drawing course. Students should consult the receiving SUS institution's engineering department for specific articulation. A grade of C or higher is typically required at most institutions for the course to satisfy major prerequisites.

EGN1110C vs. Engineering-Technology Drawing Courses

Florida offers engineering-drawing instruction across two parallel tracks:

• EGN1110C (this course) — engineering-bachelor's track. Emphasizes the engineering profession and prepares for engineering BS programs.
• ETD-prefix courses (Engineering Technology Drawing — ETD1100, ETD1320C, ETD2340C, etc.) — engineering-technology AS-degree track. Substantial content overlap but oriented toward the engineering-technology workforce rather than engineering-bachelor's preparation.
• TDR-prefix courses (Technical Drafting — TDR0300C, TDR0356C, etc.) — PSAV career-certificate track for entry-level drafting careers.

Students should select the track aligned to their educational and career goals. EGN1110C is the appropriate choice for students pursuing engineering bachelor's degrees.

Position in the Engineering Curriculum

EGN1110C is typically taken in the first or second year of the engineering pre-major sequence. The course pairs naturally with EGN1001C/EGN1002C (Introduction to Engineering) and provides foundation for upper-division design courses (EGN3060C, EGN4060C, EGN4641C senior design at some institutions, and discipline-specific design courses).

Prerequisites

EGN1110C generally has minimal prerequisites. Most institutions require concurrent or prior enrollment in MAC1140 (Precalculus Algebra) or MAC2311 (Calculus I), depending on engineering-program math sequencing. Some institutions accept students directly with appropriate placement. Specific requirements vary; students should consult their institution.

Course Format and Workload

EGN1110C is typically a 3-credit integrated lecture-and-lab course meeting 4-6 hours per week (lecture plus substantial CAD lab time). Expect: regular textbook reading; weekly drawing assignments (manual sketching and CAD-produced); a substantial design-drawing project across the semester (often a multi-part assembly with full drawings); 2-3 unit exams covering visualization, drawing reading, and dimensioning; a final exam often combining drawing-production and drawing-reading components. Out-of-class workload typically runs 6-9 hours per week — CAD assignments take time, and developing visualization skills requires consistent practice. Students should plan substantial time in computer labs, particularly when lab software is institution-licensed and not available on personal computers.

Course Code Variations

Florida institutions title this course "Engineering Drawing," "Engineering Graphics," "Engineering Drawing and Design," or "Engineering Visualization." The course is consistently 3 credits with integrated lab. Some institutions use the alternative SCNS code EGS1110C for substantively similar content; both are typically treated as equivalent for transfer purposes.