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<p><strong>Two releases shipped over the last week: Kiln 1.1.2 and 1.1.3.</strong> Vision-detected mid-print failures now drive auto-recovery on Pro. Hole-aware printability tells you when a hole is too small for your material, and learns your printer&rsquo;s drift so the warning matches what your machine actually does. Tall narrow towers get flagged before the print starts, and every adhesion verdict admits when it&rsquo;s a borderline call. Set a design goal once and it sticks, following the print through monitoring, reprints, and version saves. And free-tier discovery tools (material recommendations, design templates, printer-aware advice) return real results on every install.</p>

<h2>Camera spots problems &rarr; Kiln acts (Pro)</h2>

<p>Kiln&rsquo;s vision detector landed in 1.1.1 as a watcher that could <em>see</em> spaghetti, stalled cameras, and layer shifts. Now it can act on what it sees.</p>

<p>When the camera catches a print going wrong, Kiln steps in. By default it recommends a fix and waits for your go-ahead; turn on auto mode and it handles the recovery itself. And the failure isn&rsquo;t wasted: Kiln learns from what went wrong, so your next attempt at that design starts ahead of where the last one failed.</p>

<h2>Hole-aware printability</h2>

<p>Printability analysis now detects holes, reading their position, size, depth, and orientation, and flags ones that are too small to print reliably. On free tier the warning fires below a conservative floor; on Pro, Kiln tells you the reliable floor <em>for your material</em> (e.g. 1.5 mm for PLA, 2.5 mm for ABS-CF), and ships both a design fix and a slicer fix for every flag.</p>

<p><strong>Per-printer tuning (Pro).</strong> Kiln Pro learns each printer&rsquo;s hole drift. If your A1 consistently undershoots holes by 0.3 mm, the warning threshold shifts to match. Wall-thickness warnings get the same per-machine adjustment.</p>

<p><strong>Post-print fit check-in.</strong> When a print Kiln monitored finishes, the agent asks one casual question (&ldquo;how did the holes fit?&rdquo;). No calipers required. Plain English works (&ldquo;tight&rdquo;, &ldquo;loose by maybe half a mm&rdquo;), and Kiln turns your answer into a sharper calibration for the next print.</p>

<h2>Adhesion knows when geometry alone is risky</h2>

<p>A tall narrow tower is a detach risk no matter what the force numbers say. The taller and skinnier it gets, the more stress piles up at the base. So Kiln now flags tall narrow towers as marginal even when a simple force calculation would have called them safe. A tall vase or pen holder, wide enough at the base, still reads as secure.</p>

<p>Material matters too, not just geometry. ABS, ASA, Nylon, PP, and PEEK trigger a bed-detach warning on tall prints; PLA and PETG don&rsquo;t.</p>

<p>And every adhesion verdict now tells you how sure it is. A clear call and a borderline one read differently, so the agent can soften its wording when the answer isn&rsquo;t certain. For a tall thin print in a warp-prone material, treat &ldquo;secure&rdquo; as &ldquo;plausible,&rdquo; not &ldquo;guaranteed.&rdquo;</p>

<h2>Free-tier design intelligence finds what you ask for</h2>

<p>Material recommendations, design template browsing, printer profile lookups, and better Bambu A1 print prep now ship on every <code>pip install kiln3d</code>. Ask Kiln to recommend a material for a part that lives outside in the sun and you get a real material back, not an empty list. Browse the template catalog and you see all 18 templates. Printer-aware advice has the printer profiles it needs to actually be aware.</p>

<p>These are the same tools Pro users call. Free tier gets a solid recommendation; Pro layers on the engineering depth: recommended dimensions, per-material physics, the reasoning behind each pick, and a confidence read on every call. A new release check makes sure the free-tier catalogs ship with every install, so the baseline stays solid on every update.</p>

<h2>Tools that change a mesh show you what they did</h2>

<p>Around 20 mesh operations now attach a small preview image to their response: saving or rolling back a design version, applying a decoration, composing parts, rotating a model, importing a STEP file. Your agent doesn&rsquo;t have to take Kiln&rsquo;s word for it; it sees the result.</p>

<p>On Pro, inspection previews carry printability findings and cross-section views alongside the cover image, and a recovered print comes back with a preview so you can see what was fixed.</p>

<h2>Design goals carry through (Pro)</h2>

<p>Kiln can walk you through a short setup before it starts designing: a few questions about what the part has to do, where it&rsquo;ll live, what it&rsquo;s made of, and any safety needs. Your answers become the design&rsquo;s goal, which steers generation, the audit, and the post-print review. Kiln also remembers how earlier attempts at a goal turned out, so you&rsquo;re not iterating blind.</p>

<p>This release makes that goal sticky. Monitoring the print, reprinting it, saving a new version, or iterating on the design all pick up the saved goal automatically, so you don&rsquo;t have to restate it at every step. Kiln can now pull up an inbox view of every active design and its goal, the same list the web app shows.</p>

<p>When the audit runs on a design that started from a saved goal, it ends with a plain-English line: whether the design honored your goals, or which ones it missed. The version-compare view shows goals added, removed, or changed between versions.</p>

<h2>Audits that pick up where inspection left off</h2>

<p>If an earlier tool already inspected the mesh, the audit reuses those findings instead of re-running them. On Pro, the audit also surfaces a concrete fix for each warning: a design change, a slicer setting, or &ldquo;this one needs your hands.&rdquo; You can review the fixes or let Kiln apply them.</p>

<h2>Also in this release</h2>

<ul>
  <li><strong>Slice provenance on every Pro+ recipe.</strong> The calibration and food-safety story behind a slice is recorded at slice time, so a year from now you can still answer &ldquo;why did Kiln say this hole was fine?&rdquo;</li>
  <li><strong>Bridges read accurately.</strong> Curved arches and multi-segment bridges no longer over-measure, so the reported span matches what the slicer will actually print.</li>
  <li><strong>Slicer-style aware support estimation.</strong> Grid, snug, organic, and tree supports each estimate differently, matching the slicer you actually use.</li>
  <li><strong>9 new Pro+ knowledge packs.</strong> Troubleshooting tips, post-processing how-tos, printer-by-material recipes, multi-material pairing rules, load tables, environment guides, and printer profiles.</li>
  <li><strong>One-time calibration notice.</strong> The first time Kiln Pro applies your calibrated slicer profile, a one-line banner tells you. Silent thereafter.</li>
  <li><strong>Per-material physics for every catalog material (Pro).</strong> Stress, adhesion, and shrinkage tuned per material instead of one conservative default. ABS, ASA, and Nylon get explicit warp-risk warnings at slice time with brim/raft and chamber-heat remedies.</li>
  <li><strong>More design-goal checks (Pro).</strong> Kiln now verifies hole count, minimum hole size, food-safe material, and max service temperature against the finished print.</li>
  <li><strong>Material names are forgiving.</strong> &ldquo;ABS-CF&rdquo;, &ldquo;abs cf&rdquo;, and &ldquo;abs_cf&rdquo; all resolve to the same material.</li>
  <li><strong>Plain-English warning messages.</strong> For example: &ldquo;smallest hole 0.5 mm, too small for PLA (needs at least 1.5 mm)&rdquo;.</li>
  <li><strong>Quota errors name the tool you called</strong>, so the upgrade path is unambiguous.</li>
  <li><strong>Hole detection handles rotated or simplified meshes.</strong></li>
</ul>

<p>Full release notes: <a href="https://github.com/codeofaxel/Kiln/blob/main/CHANGELOG.md">CHANGELOG.md</a>.</p>

<h2>Upgrading</h2>

<ul>
  <li><strong>Already running Kiln?</strong> Run <code>pip install --upgrade kiln3d</code> and you&rsquo;re on 1.1.3.</li>
  <li><strong>New to Kiln?</strong> Run <code>pip install kiln3d</code>, then follow the <a href="/install">install guide</a> to connect it to your AI client (Claude Desktop, Claude Code, Codex, or any other MCP-compatible client).</li>
</ul>

<p>That command upgrades the Kiln package for everyone, free and paid. Paid plans add one convenience: every Pro improvement Kiln ships lands on your account automatically, so you never upgrade those features yourself.</p>

<p style="text-align: center; margin-top: 40px;"><a href="/install" class="btn">Get Kiln &rarr;</a></p>
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<BlogPostLayout
  title="Kiln 1.1.2 + 1.1.3: recovery you can see, analysis you can trust"
  description="Vision-detected mid-print failures drive auto-recovery on Pro. Hole-aware printability tells you when a hole is too small for your material and learns your printer's drift. Tall narrow towers get flagged before the print starts. Adhesion verdicts admit when they're uncertain. Saved design goals follow a print through monitoring, reprints, and version saves. And free-tier discovery tools find what you ask for."
  date="May 19, 2026"
  tags={["release", "v1.1.2", "v1.1.3", "vision", "recovery", "printability", "adhesion", "design-goals", "calibration"]}
>
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