Full Drill vs Partial Drill Diamond Painting: Everything You Need to Know

Full Drill and Partial Drill — The Definitions

The terms are straightforward once you understand what they literally mean:

Full drill means the entire surface of the canvas is covered with drills. Every cell in the printed grid receives a diamond, from one edge of the canvas to the other. The completed piece is entirely made of resin drills — there is no printed canvas visible in the finished work.

Partial drill means drills cover only a specific portion of the canvas, typically the main subject (an animal, a figure, a floral arrangement) while the surrounding area remains as printed artwork on the canvas itself. The printed background is an intentional, visible part of the finished design.

How Each Type Looks When Finished

The visual difference between full drill and partial drill is significant, and which you prefer is largely aesthetic.

Full drill finished pieces sparkle from edge to edge. The entire surface catches and reflects light. For photographs of people, pets, or landscapes converted into diamond painting patterns, full drill coverage produces the most dramatic result — the image reads as a glittering mosaic with no plain areas. When framed and lit from the right angle, a full drill piece looks genuinely impressive.

Partial drill finished pieces have a different quality: the printed background provides color, depth, and context that drills alone cannot. The combination of high-resolution printed detail in the background with the sparkle of drills on the main subject can actually look more nuanced than a full drill version of the same image. Many commercial partial drill kits use very high-quality printing for the background, resulting in a finished piece that looks like a printed painting with sparkling highlights — an effect that is appealing in its own right.

Neither finish is objectively better. But if you want the full "diamond painting" effect — the entirely sparkling surface that the craft is known for — full drill is the way to achieve it.

Time Commitment Comparison

This is the most practically relevant difference for most crafters, especially those new to the hobby.

A full drill canvas with 40×50cm dimensions contains roughly 80,000 drill cells. At a steady pace of around 800–1,200 drills per hour (using a multi-tip pen for larger solid-color areas), that equates to 65–100 hours of active work time — typically spread across weeks or months of regular sessions.

A partial drill canvas of the same physical size but covering only 30–40% of the surface has roughly 24,000–32,000 drill cells. At the same pace, that is 20–40 hours — a project that can realistically be completed within a few weeks of casual crafting.

For beginners, this difference is important. A large full drill project can take so long that motivation flags before it is complete. Starting with a medium-sized partial drill canvas — or a small (25×25cm) full drill canvas — gives you the experience of completing a project, which is genuinely motivating before moving on to larger works.

Difficulty and Technique Differences

Full drill and partial drill projects use exactly the same tools and basic techniques: applicator pen, wax, drill tray, and systematic placement. The core skill is identical. The difficulty differences are more about scope than technique.

Managing the Canvas

Full drill canvases are often large and require careful storage during the months you spend on them. The protective film must be peeled and replaced carefully each session to protect the adhesive. On a large canvas, keeping sections organized, flat, and clean over a long period requires more discipline than a smaller or faster project.

Navigating the Border

One practical challenge specific to partial drill projects is placing drills precisely along the boundary between the drill area and the printed background. This edge needs to be clean — drills that overlap the printed area look messy, and gaps at the edge look incomplete. Placing edge drills requires slightly more care than filling large open sections.

Drill Count Management

Full drill projects involve more colors and more total drills to organize. Managing 30–50 color bags while keeping everything labeled and accessible is a logistics task that trips up beginners who underestimate it. Partial drill projects typically have fewer colors, which simplifies the organization significantly.

Full Drill for Custom Photo Patterns

When people generate custom diamond painting patterns from personal photos using tools like Diamond Painter, the output is almost always a full drill pattern. This makes sense: converting a photo into a pattern means every pixel in the photo should translate to a drill, so the entire canvas should be filled. A partial drill version of a photo pattern would require manually defining which area receives drills — typically meaningful only if you have a specific artistic intent, like highlighting a subject against a plain background.

For custom photo patterns, full drill is the standard and the best choice for capturing all the detail in your image. The benefit of full coverage is that subtle color transitions in photographs — the gradual shift from highlight to shadow in a face, or from deep water to lighter sky — are preserved across the entire canvas rather than reduced to a flat printed background.

Diamond Painter generates full drill patterns by default. The entire configured canvas area is covered with DMC-coded drill cells, giving you maximum detail and the fully sparkling finish that characterizes the craft at its best.

Which Type Is Right for You?

Use these guidelines to make the decision:

Choose full drill if:

• You want the complete, edge-to-edge sparkling effect
• You are converting a personal photo into a pattern
• You enjoy long-term projects and find regular crafting sessions relaxing
• You plan to frame and display the finished piece prominently
• You want the maximum detail from a complex image

Choose partial drill if:

• You want a faster project you can complete in a few sessions
• You are gifting the piece and want it completed by a specific date
• You like the visual effect of printed background with sparkling highlights
• You are buying a kit featuring a licensed character or specific design
• You are introducing a child or new crafter to the hobby

There is no wrong answer. Many enthusiasts do both — working on a large full drill custom project over several months while also picking up occasional partial drill kits as quick, satisfying side projects.