diff --git a/deps.edn b/deps.edn
index 2dd00d7..e2b529d 100644
--- a/deps.edn
+++ b/deps.edn
@@ -8,12 +8,13 @@
  :aliases
  {:dev
   {:extra-deps
-   {org.clojars.cartesiantheatrics/manifold3d$linux-x86_64 {:mvn/version "1.0.79"}}}
+   {org.clojars.cartesiantheatrics/manifold3d$linux-x86_64 {:mvn/version "1.0.81"}}}
 
-  :test {:extra-paths ["test/main"]
-         :extra-deps  {lambdaisland/kaocha {:mvn/version "1.88.1376"}
-                       org.clojure/clojure {:mvn/version "1.11.2"}}
-         :main-opts   ["-m" "kaocha.runner"]}
+  :test
+  {:extra-paths ["test/main"]
+   :extra-deps  {lambdaisland/kaocha {:mvn/version "1.88.1376"}
+                 org.clojure/clojure {:mvn/version "1.11.2"}}
+   :main-opts   ["-m" "kaocha.runner"]}
 
   :deploy
   {:extra-paths ["build"]
diff --git a/src/main/plexus/core.clj b/src/main/plexus/core.clj
index 6c7acfc..d4a326a 100644
--- a/src/main/plexus/core.clj
+++ b/src/main/plexus/core.clj
@@ -132,7 +132,7 @@
 (defop loft
   "Loft between segments. All lofted cross-sections must have equal number of points. Optional
   `:to` parameter specifies which frames to loft."
-  schema/any-map-schema)
+  schema/loft-schema)
 
 (defop hull
   "Makes a convex hull out of wrapped segments. Optional `:to` parameter specifies which
@@ -303,6 +303,12 @@
   [& forms]
   (impl/extrude forms))
 
+(defn rebuild
+  "Rebuild an extrusion in the current context. Forms will re-evaluate their args. This can be used
+  in combination with dynamic binding to achieve specialization of extrusions."
+  [extrusion]
+  (extrude (:forms extrusion)))
+
 (def ^{:doc (-> #'plexus.impl/extrusion? meta :doc) :arglists '([x])} extrusion? impl/extrusion?)
 (def ^{:doc (-> #'plexus.impl/model? meta :doc) :arglists '([x])} model? impl/model?)
 (def ^{:doc (-> #'plexus.impl/frame? meta :doc) :arglists '([x])} frame? impl/frame?)
diff --git a/src/main/plexus/impl.clj b/src/main/plexus/impl.clj
index 5ef0cd6..38de686 100644
--- a/src/main/plexus/impl.clj
+++ b/src/main/plexus/impl.clj
@@ -9,6 +9,8 @@
    [plexus.triangles :as triangles]
    [plexus.transforms :as tf]))
 
+(declare extrude*)
+
 (defrecord Extrusion [result-forms frames state angle-scalar forms transforms models main-model]
   Object
   (toString [_]
@@ -337,7 +339,8 @@
                         result-forms))
 
                :plexus.impl/loft
-               (let [{:keys [to]} form
+               (let [{:keys [to algorithm]
+                      :or {algorithm :eager-nearest-neighbor}} form
                      loft-forms (normalize-segment (:plexus.impl/list form))
                      loft-frames (or to current-frame-ids)
                      ret (extrude* state loft-forms frames)]
@@ -364,6 +367,7 @@
                                                                   (m/loft
                                                                    (cons
                                                                     {:frame (-> first-segment :all-transforms (nth 0))
+                                                                     :algorithm algorithm
                                                                      :cross-section (-> first-segment :cross-section)}
                                                                     (mapcat
                                                                      (fn [{:keys [cross-section all-transforms]}]
@@ -661,7 +665,6 @@
            (throw e)
            (let [form @current-form
                  {:keys [line column file]} (meta form)
-                 _ (println "form:" form)
                  op (:op form)
                  error-string (format "Error while applying `%s` (line=%s, column=%s): %s" (name op)
                                       line
diff --git a/src/main/plexus/schema.clj b/src/main/plexus/schema.clj
index 7766dd2..55ecc81 100644
--- a/src/main/plexus/schema.clj
+++ b/src/main/plexus/schema.clj
@@ -45,6 +45,10 @@
    [:cross-section {:optional true} :cross-section]
    [:cs {:optional true} int?]])
 
+(def loft-schema
+  [:map
+   [:algorithm {:optional true} keyword?]])
+
 (def any-map-schema
   [:map])