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Module Learning Objectives 模块学习目标
- Control line quality, proportion, and scale in freehand sketching. 掌握徒手绘图的线条质量、比例与尺度。
- Construct one-point perspective interiors correctly from a floor plan. 依据平面图正确绘制一点透视室内图。
- Construct two-point perspective interiors with accurate vanishing points. 准确运用双消失点绘制两点透视室内图。
- Add furniture, depth, texture, and shading to bring sketches to life. 为草图加入家具、进深、质感与光影，使画面生动。
- Use quick sketches to present and sell design ideas to clients. 运用快速草图向客户呈现并推销设计想法。
Lesson Breakdown 课程大纲
LESSON 4.1
Sketching Fundamentals手绘基础
Goal: Build confident lines, correct proportions, and basic 3D forms. 目标：练出自信的线条、正确的比例与基本立体形体。
Key Topics 主要内容
- Line control: straight, smooth, confident strokes 线条控制：直、稳、有自信的笔触
- Proportion & estimating scale by eye 比例与目测尺度
- Basic forms: boxes, cylinders, combined volumes 基本形体：方盒、圆柱与组合体
- Freehand plans & elevations 徒手绘制平面图与立面图
Activities 课堂活动
- Timed line & box drills 线条与方盒限时练习
- Sketch the classroom in plan view, freehand 徒手绘制课室平面图
Outcome 成果: Students draw confident lines and proportionally correct forms without a ruler. 学员能不靠尺画出自信的线条与比例正确的形体。
LESSON 4.2
One-Point Perspective: The Room Box一点透视：空间盒子
Goal: Set up a one-point perspective room correctly, every time. 目标：每次都能正确建立一点透视空间。
Key Topics 主要内容
- Horizon line & eye level 视平线与视高
- The single vanishing point 单一消失点的运用
- Constructing the back wall & room box 后墙与空间盒子的构建
- Measuring depth: the diagonal method 进深测量：对角线法
Activities 课堂活动
- Draw 3 empty room boxes at different eye levels 绘制 3 个不同视高的空间盒子
- Convert a simple floor plan into a one-point room 将简单平面图转为一点透视空间
Outcome 成果: Students construct accurate, empty one-point perspective rooms. 学员能准确构建一点透视的空房间。
LESSON 4.3
One-Point Perspective: Furnishing the Space一点透视：置入家具
Goal: Add furniture, openings, and details in correct perspective. 目标：以正确的透视加入家具、门窗与细节。
Key Topics 主要内容
- Boxing-out furniture from plan positions 以方盒法从平面定位家具
- Doors, windows & ceiling features 门、窗与天花造型的画法
- Human figures for scale 加入人物作为比例参照
- Common one-point mistakes & how to fix them 一点透视常见错误与修正
Activities 课堂活动
- Furnish a room box: sofa, TV wall & shelving 为空间盒子加入沙发、电视墙与层架
- 10-minute speed sketch challenge 10 分钟快速草图挑战
Outcome 成果: Students complete a furnished one-point interior sketch. 学员能完成置入家具的一点透视室内图。
LESSON 4.4
Two-Point Perspective: Setup & Structure两点透视：设置与结构
Goal: Master the two-vanishing-point setup for dynamic corner views. 目标：掌握双消失点设置，绘制更立体的角落视角。
Key Topics 主要内容
- Two vanishing points & the corner view 双消失点与角落视角
- Vertical lines stay vertical 垂直线保持垂直的原则
- Estimating depth along both axes 两个方向的进深估算
- When to use one-point vs two-point 何时用一点透视，何时用两点透视
Activities 课堂活动
- Draw one room corner from 3 different angles 以 3 种角度绘制同一房间角落
- Rebuild your one-point room in two-point 将一点透视房间改画为两点透视
Outcome 成果: Students construct accurate, empty two-point perspective interiors. 学员能准确绘制两点透视的空房间。
LESSON 4.5
Rendering: Light, Shadow & Texture渲染：光影与质感
Goal: Make sketches read as real spaces using shading, texture, and line weight. 目标：以光影、质感与线宽让草图更接近真实空间。
Key Topics 主要内容
- Line weights: where to thicken & why 线宽运用：哪里该加重，为什么
- Shading with hatching & tone blocks 排线与色块表现明暗
- Indicating wood, fabric, glass & tiles 木纹、布料、玻璃与瓷砖的质感表现
- Quick colour: markers & coloured pencils 马克笔与彩铅快速上色
Activities 课堂活动
- Render one two-point living room sketch 为一张两点透视客厅图上明暗
- Complete a texture swatch practice sheet 完成质感表现练习页
Outcome 成果: Students produce a rendered sketch with believable depth and materials. 学员能完成具有真实进深与材质感的渲染草图。
LESSON 4.6
Client Presentation Sketches — Module Project客户呈现草图 — 模块项目
Goal: Produce presentation-quality perspective drawings of one space. 目标：为一个空间完成可呈现级别的透视图。
Key Topics 主要内容
- Choosing the most flattering view angle 选择最能表现设计的视角
- Composing the page: title, notes & callouts 页面构图：标题、注释与说明
- Sketching live in front of clients 在客户面前现场作画的技巧
Activities 课堂活动
- Module project: rendered 1-pt & 2-pt views of a living-dining space 模块项目：客餐厅的一点与两点透视渲染图
- Wall pin-up & group critique 作品墙展示与集体点评
Outcome 成果: Two portfolio-quality perspective drawings — the Module 4 portfolio piece. 两张作品集级透视图 — 模块四作品集作业。
Module Assessment 模块考核
40% Exercises (Lessons 4.1–4.5) · 50% Module Project (Lesson 4.6) · 10% Participation. Students must achieve 60% overall to progress to Module 5: Technical Drawing with LibreCAD.
40% 课堂练习（第 4.1–4.5 课）· 50% 模块项目（第 4.6 课）· 10% 课堂参与。总分达 60% 方可进入模块五：LibreCAD 技术制图。