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3d THURSDAY: the perspective of practice

Writer: Mark NorthcottMark Northcott

Updated: Feb 28

exploring depth through the eight limbs of sketchbooking



The art of translating the depth of the known world onto a two-dimensional surface is an ancient craft—one that merges observation, technique, and intuition. As we journey through the 8 Limbs of Sketchbooking, perspective emerges as a fundamental structure, much like the postures in yoga. Just as yogic asanas train the body through repetition and awareness, mastering perspective drawing requires structured practice to attune the artist’s eye to the depths of space and form.



Perspective Through the 8 Limbs of Sketchbooking

1️⃣ Yamas (Restraints – Foundational Principles)→ The rules of perspective (horizon line, vanishing points, proportional scaling) act as restraints that keep our drawings from falling into distortion.

2️⃣ Niyamas (Positive Practices – Strengthening Habits)→ Regular studies in 1-point, 2-point, and 3-point perspective develop discipline and mental clarity in spatial awareness.

3️⃣ Asana (Posture – Applied Drawing Exercises)→ Each drawn line becomes an exercise in precision and flow, much like holding a steady pose. Consider horizon line drills and vanishing point warm-ups.

4️⃣ Pranayama (Breath Control – Control of Energy in Art)→ The balance between loose sketching and precise lines is much like breathwork—knowing when to let go and when to focus.

5️⃣ Pratyahara (Withdrawal – Observational Awareness)→ Training the eye to see perspective naturally in the world, whether in streetscapes or nature, strengthens internal visualization.

6️⃣ Dharana (Concentration – Mastering Depth)→ Challenging the mind to hold complex perspectives—such as curvilinear or atmospheric depth—requires deep concentration.

7️⃣ Dhyana (Meditation – Fluidity in Execution)→ A seasoned artist’s hand moves smoothly in perspective, just as a practiced yogi flows effortlessly through postures.

8️⃣ Samadhi (Absorption – Mastery & Creative Freedom)→ Once ingrained, perspective becomes second nature, allowing the artist to bend, exaggerate, and break the rules artistically.




These thumbnail sketches are both an exercise in using my words for AI to understand the drawn environment (3point perspective still eludes it), and in your understanding which grid you're looking at above as they are purposely not in any particular order....



Repetitive Perspective Challenge: "The Horizon Line Asana"

🔹 Objective: Train the eye to instinctively map depth and form.🔹 Exercise:

  • Set a timer for 5 minutes.

  • Sketch as many simple compositions as possible, using a single horizon line and two vanishing points.

  • Keep the focus on structural accuracy and variety in spatial depth.

  • Repeat for several days, gradually increasing complexity.

🔹 Bonus Challenge: Incorporate organic forms into perspective—trees, figures, or landscapes, while maintaining depth.


This exercise strengthens perspective intuition, much like a yogic posture held and repeated until it becomes effortless.

What are your thoughts on this approach? Would you like to add a visual breakdown or perhaps a time-lapse demonstration to accompany the post? 🚀

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