diff --git a/src/components/Customizer.tsx b/src/components/Customizer.tsx
index a00456e..f3d10b9 100644
--- a/src/components/Customizer.tsx
+++ b/src/components/Customizer.tsx
@@ -2,6 +2,7 @@ import ArrowDropDownIcon from '@mui/icons-material/ArrowDropDown';
 import Accordion from '@mui/material/Accordion';
 import AccordionDetails from '@mui/material/AccordionDetails';
 import AccordionSummary from '@mui/material/AccordionSummary';
+import Autocomplete from '@mui/material/Autocomplete';
 import Checkbox from '@mui/material/Checkbox';
 import FormControlLabel from '@mui/material/FormControlLabel';
 import FormGroup from '@mui/material/FormGroup';
@@ -19,19 +20,21 @@ type Props = {
 };
 
 export default function Customizer({ parameters, onChange }: Props) {
-  const handleParameterChange =
-    (isCheckbox) => (event: React.ChangeEvent<HTMLInputElement>) => {
-      const newParameters = parameters.map((parameter) => {
-        if (parameter.name === event.target.name) {
-          return {
-            ...parameter,
-            value: isCheckbox ? event.target.checked : event.target.value,
-          };
-        }
-        return parameter;
-      });
-      onChange(newParameters);
-    };
+  const handleParameterChange = (
+    event: React.ChangeEvent<HTMLInputElement>,
+    newValue?
+  ) => {
+    const newParameters = parameters.map((parameter) => {
+      if (parameter.name === event.target.name) {
+        return {
+          ...parameter,
+          value: newValue || event.target.value,
+        };
+      }
+      return parameter;
+    });
+    onChange(newParameters);
+  };
 
   // Group parameters
   const groups = useMemo(
@@ -74,7 +77,7 @@ export default function Customizer({ parameters, onChange }: Props) {
                         fullWidth
                         key={parameter.name}
                         name={parameter.name}
-                        onChange={handleParameterChange(false)}
+                        onChange={handleParameterChange}
                         value={parameter.value}
                         sx={{ mt: 2, p: 1 }}
                       >
@@ -94,7 +97,7 @@ export default function Customizer({ parameters, onChange }: Props) {
                       type={parameter.type}
                       key={parameter.name}
                       name={parameter.name}
-                      onChange={handleParameterChange(false)}
+                      onChange={handleParameterChange}
                       value={parameter.value}
                       InputProps={{
                         inputProps: {
@@ -107,6 +110,41 @@ export default function Customizer({ parameters, onChange }: Props) {
                       sx={{ mt: 2, p: 1 }}
                     />
                   );
+                } else if (
+                  parameter.type === 'number[]' ||
+                  parameter.type === 'string[]'
+                ) {
+                  return (
+                    <Autocomplete
+                      key={parameter.name}
+                      freeSolo
+                      options={[]}
+                      multiple
+                      value={parameter.value as string[] | number[] | boolean[]}
+                      onChange={handleParameterChange}
+                      renderInput={(params) => {
+                        return (
+                          <TextField
+                            label={parameter.description || parameter.name}
+                            fullWidth
+                            key={parameter.name}
+                            name={parameter.name}
+                            InputProps={{
+                              inputProps: {
+                                maxLength: parameter.range?.max,
+                                min: parameter.range?.min,
+                                max: parameter.range?.max,
+                                step: parameter.range?.step,
+                              },
+                            }}
+                            sx={{ mt: 2, p: 1 }}
+                            {...params}
+                            type={parameter.type}
+                          />
+                        );
+                      }}
+                    />
+                  );
                 } else if (parameter.type === 'boolean') {
                   return (
                     <FormGroup key={parameter.name}>
@@ -114,7 +152,7 @@ export default function Customizer({ parameters, onChange }: Props) {
                         control={
                           <Checkbox
                             name={parameter.name}
-                            onChange={handleParameterChange(true)}
+                            onChange={handleParameterChange}
                             checked={parameter.value === true}
                           />
                         }
diff --git a/src/lib/openSCAD/parseParameter.ts b/src/lib/openSCAD/parseParameter.ts
index 010b4ba..84b29e1 100644
--- a/src/lib/openSCAD/parseParameter.ts
+++ b/src/lib/openSCAD/parseParameter.ts
@@ -9,10 +9,18 @@ type ParameterRange = {
   step?: number;
 };
 
+type ParameterType =
+  | 'string'
+  | 'number'
+  | 'boolean'
+  | 'string[]'
+  | 'number[]'
+  | 'boolean[]';
+
 export type Parameter = {
   name: string;
-  type: 'string' | 'number' | 'boolean';
-  value: string | boolean | number;
+  type: ParameterType;
+  value: string | boolean | number | string[] | number[] | boolean[];
   description?: string;
   group?: string;
   range?: ParameterRange;
@@ -28,7 +36,7 @@ export default function parseParameters(script: string): Parameter[] {
 
   const parameters: Record<string, Parameter> = {};
   const parameterRegex =
-    /^([a-z0-9A-Z_$]+)\s*=\s*([^;]+);[\t\f\cK ]*(\/\/.*)?/gm; // TODO: Use AST parser instead of regex
+    /^([a-z0-9A-Z_$]+)\s*=\s*([^;]+);[\t\f\cK ]*(\/\/[^\n]*)?/gm; // TODO: Use AST parser instead of regex
   const groupRegex = /^\/\*\s*\[([^\]]+)\]\s*\*\//gm;
 
   const groupSections: { id: string; group: string; code: string }[] = [];
@@ -139,12 +147,31 @@ export default function parseParameters(script: string): Parameter[] {
 
 function convertType(rawValue): {
   value: string | boolean | number;
-  type: 'string' | 'number' | 'boolean';
+  type: ParameterType;
 } {
   if (/^\d+(\.\d+)?$/.test(rawValue)) {
     return { value: parseFloat(rawValue), type: 'number' };
   } else if (rawValue === 'true' || rawValue === 'false') {
     return { value: rawValue === 'true', type: 'boolean' };
+  } else if (rawValue.startsWith('[') && rawValue.endsWith(']')) {
+    // Array type
+    const arrayValue = rawValue
+      .slice(1, -1)
+      .split(',')
+      .map((item) => item.trim());
+    if (arrayValue.every((item) => /^\d+(\.\d+)?$/.test(item))) {
+      return {
+        value: arrayValue.map((item) => parseFloat(item)),
+        type: 'number[]',
+      };
+    } else if (arrayValue.every((item) => /^".*"$/.test(item))) {
+      return {
+        value: arrayValue.map((item) => item.slice(1, -1)),
+        type: 'string[]',
+      };
+    } else {
+      return { value: arrayValue, type: 'string[]' };
+    }
   } else {
     // Remove quotes
     rawValue = rawValue.replace(/^"(.*)"$/, '$1');
diff --git a/src/openSCADWorker.mts b/src/openSCADWorker.mts
index 12d93b3..e1629f1 100644
--- a/src/openSCADWorker.mts
+++ b/src/openSCADWorker.mts
@@ -31,10 +31,15 @@ async function exportFile(
   params: OpenSCADWorkerInputMessage['params'],
   fileType = 'stl'
 ): Promise<OpenSCADWorkerOutputMessage> {
-  const parameters = params.map(({ name, value }) => {
-    if (typeof value === 'string') {
+  const parameters = params.map(({ name, type, value }) => {
+    if (type === 'string' && typeof value === 'string') {
       value = escapeShell(value);
+    } else if (type === 'number[]' && Array.isArray(value)) {
+      value = `[${value.join(',')}]`;
+    } else if (type === 'string[]' && Array.isArray(value)) {
+      value = `[${value.map((item) => escapeShell(item)).join(',')}]`;
     }
+
     return `-D${name}=${value}`;
   });
 
@@ -53,9 +58,13 @@ async function preview(
   params: OpenSCADWorkerInputMessage['params'],
   fileType = 'stl'
 ): Promise<OpenSCADWorkerOutputMessage> {
-  const parameters = params.map(({ name, value }) => {
-    if (typeof value === 'string') {
+  const parameters = params.map(({ name, type, value }) => {
+    if (type === 'string' && typeof value === 'string') {
       value = escapeShell(value);
+    } else if (type === 'number[]' && Array.isArray(value)) {
+      value = `[${value.join(',')}]`;
+    } else if (type === 'string[]' && Array.isArray(value)) {
+      value = `[${value.map((item) => escapeShell(item)).join(',')}]`;
     }
     return `-D${name}=${value}`;
   });
diff --git a/tests/__snapshots__/openSCADparseParameters.test.ts.snap b/tests/__snapshots__/openSCADparseParameters.test.ts.snap
index 4563487..a1b73d6 100644
--- a/tests/__snapshots__/openSCADparseParameters.test.ts.snap
+++ b/tests/__snapshots__/openSCADparseParameters.test.ts.snap
@@ -254,8 +254,15 @@ exports[`testing parameter parsing of openscad scripts testing example1.scad: ex
     "name": "Vector6",
     "options": undefined,
     "range": undefined,
-    "type": "string",
-    "value": "[12,34,44,43,23,23]",
+    "type": "number[]",
+    "value": [
+      12,
+      34,
+      44,
+      43,
+      23,
+      23,
+    ],
   },
   {
     "description": "Text box for string",
@@ -276,8 +283,10 @@ exports[`testing parameter parsing of openscad scripts testing example1.scad: ex
       "min": 0,
       "step": 2,
     },
-    "type": "string",
-    "value": "[12]",
+    "type": "number[]",
+    "value": [
+      12,
+    ],
   },
   {
     "description": undefined,
@@ -289,8 +298,11 @@ exports[`testing parameter parsing of openscad scripts testing example1.scad: ex
       "min": 0,
       "step": 2,
     },
-    "type": "string",
-    "value": "[12,34]",
+    "type": "number[]",
+    "value": [
+      12,
+      34,
+    ],
   },
   {
     "description": undefined,
@@ -302,8 +314,12 @@ exports[`testing parameter parsing of openscad scripts testing example1.scad: ex
       "min": 0,
       "step": 2,
     },
-    "type": "string",
-    "value": "[12,34,46]",
+    "type": "number[]",
+    "value": [
+      12,
+      34,
+      46,
+    ],
   },
   {
     "description": undefined,
@@ -315,8 +331,13 @@ exports[`testing parameter parsing of openscad scripts testing example1.scad: ex
       "min": 0,
       "step": 2,
     },
-    "type": "string",
-    "value": "[12,34,46,24]",
+    "type": "number[]",
+    "value": [
+      12,
+      34,
+      46,
+      24,
+    ],
   },
 ]
 `;
@@ -332,8 +353,14 @@ exports[`testing parameter parsing of openscad scripts testing printables-513382
       "max": 2,
       "min": 0,
     },
-    "type": "string",
-    "value": "[35, 35, 35, 35, 35]",
+    "type": "number[]",
+    "value": [
+      35,
+      35,
+      35,
+      35,
+      35,
+    ],
   },
   {
     "description": "How wide should each segment be?",
@@ -341,8 +368,15 @@ exports[`testing parameter parsing of openscad scripts testing printables-513382
     "name": "segment_diameters",
     "options": undefined,
     "range": undefined,
-    "type": "string",
-    "value": "[140, 100, 120, 90, 110, 90]",
+    "type": "number[]",
+    "value": [
+      140,
+      100,
+      120,
+      90,
+      110,
+      90,
+    ],
   },
   {
     "description": "The shape of the twig",
@@ -372,8 +406,14 @@ exports[`testing parameter parsing of openscad scripts testing printables-513382
     "name": "twig_twist",
     "options": undefined,
     "range": undefined,
-    "type": "string",
-    "value": "[25, 25, 25, 0, 25]",
+    "type": "number[]",
+    "value": [
+      25,
+      25,
+      25,
+      0,
+      25,
+    ],
   },
   {
     "description": "How much should the twigs in the counter direction be twisted?",
@@ -381,8 +421,14 @@ exports[`testing parameter parsing of openscad scripts testing printables-513382
     "name": "twig_counter_twist",
     "options": undefined,
     "range": undefined,
-    "type": "string",
-    "value": "[25, 25, 25, 0, 25]",
+    "type": "number[]",
+    "value": [
+      25,
+      25,
+      25,
+      0,
+      25,
+    ],
   },
   {
     "description": "How thick should a twig be?",
@@ -493,8 +539,11 @@ exports[`testing parameter parsing of openscad scripts testing printables-513382
     "name": "min_max_segment_count",
     "options": undefined,
     "range": undefined,
-    "type": "string",
-    "value": "[2, 5]",
+    "type": "number[]",
+    "value": [
+      2,
+      5,
+    ],
   },
   {
     "description": "The height of each segment is between those two numbers.",
@@ -502,8 +551,11 @@ exports[`testing parameter parsing of openscad scripts testing printables-513382
     "name": "min_max_heights",
     "options": undefined,
     "range": undefined,
-    "type": "string",
-    "value": "[0, 180]",
+    "type": "number[]",
+    "value": [
+      0,
+      180,
+    ],
   },
   {
     "description": "Min/max of all the diameters.",
@@ -511,8 +563,11 @@ exports[`testing parameter parsing of openscad scripts testing printables-513382
     "name": "min_max_diameters",
     "options": undefined,
     "range": undefined,
-    "type": "string",
-    "value": "[100, 180]",
+    "type": "number[]",
+    "value": [
+      100,
+      180,
+    ],
   },
   {
     "description": "The amount of twig twist will be between those two numbers.",
@@ -520,8 +575,11 @@ exports[`testing parameter parsing of openscad scripts testing printables-513382
     "name": "min_max_twig_twist",
     "options": undefined,
     "range": undefined,
-    "type": "string",
-    "value": "[0, 180]",
+    "type": "number[]",
+    "value": [
+      0,
+      180,
+    ],
   },
   {
     "description": "Min/max of the twig diameter.",
@@ -529,8 +587,11 @@ exports[`testing parameter parsing of openscad scripts testing printables-513382
     "name": "min_max_twig_diameter",
     "options": undefined,
     "range": undefined,
-    "type": "string",
-    "value": "[2, 20]",
+    "type": "number[]",
+    "value": [
+      2,
+      20,
+    ],
   },
   {
     "description": "The twig count of both twig directions will be between those two numbers.",
@@ -538,8 +599,11 @@ exports[`testing parameter parsing of openscad scripts testing printables-513382
     "name": "min_max_twig_count",
     "options": undefined,
     "range": undefined,
-    "type": "string",
-    "value": "[5, 15]",
+    "type": "number[]",
+    "value": [
+      5,
+      15,
+    ],
   },
   {
     "description": undefined,
@@ -814,8 +878,11 @@ exports[`testing parameter parsing of openscad scripts testing specialVector.sca
     "name": "Vector2",
     "options": undefined,
     "range": undefined,
-    "type": "string",
-    "value": "[12,34]",
+    "type": "number[]",
+    "value": [
+      12,
+      34,
+    ],
   },
   {
     "description": undefined,
@@ -823,8 +890,12 @@ exports[`testing parameter parsing of openscad scripts testing specialVector.sca
     "name": "Vector3",
     "options": undefined,
     "range": undefined,
-    "type": "string",
-    "value": "[12,34,45]",
+    "type": "number[]",
+    "value": [
+      12,
+      34,
+      45,
+    ],
   },
   {
     "description": undefined,
@@ -832,8 +903,13 @@ exports[`testing parameter parsing of openscad scripts testing specialVector.sca
     "name": "Vector4",
     "options": undefined,
     "range": undefined,
-    "type": "string",
-    "value": "[12,34,45,23]",
+    "type": "number[]",
+    "value": [
+      12,
+      34,
+      45,
+      23,
+    ],
   },
   {
     "description": undefined,
@@ -845,8 +921,12 @@ exports[`testing parameter parsing of openscad scripts testing specialVector.sca
       "min": 1,
       "step": 2,
     },
-    "type": "string",
-    "value": "[12,34,46]",
+    "type": "number[]",
+    "value": [
+      12,
+      34,
+      46,
+    ],
   },
   {
     "description": undefined,
@@ -857,8 +937,13 @@ exports[`testing parameter parsing of openscad scripts testing specialVector.sca
       "max": 50,
       "min": 1,
     },
-    "type": "string",
-    "value": "[12,34,45,23]",
+    "type": "number[]",
+    "value": [
+      12,
+      34,
+      45,
+      23,
+    ],
   },
 ]
 `;
@@ -887,8 +972,15 @@ exports[`testing parameter parsing of openscad scripts testing splitAfterFunctio
     "name": "Vector6",
     "options": undefined,
     "range": undefined,
-    "type": "string",
-    "value": "[12,34,44,43,23,23]",
+    "type": "number[]",
+    "value": [
+      12,
+      34,
+      44,
+      43,
+      23,
+      23,
+    ],
   },
   {
     "description": "Text box for string with length 8",
@@ -912,8 +1004,15 @@ exports[`testing parameter parsing of openscad scripts testing testbox.scad: tes
     "name": "Vector6",
     "options": undefined,
     "range": undefined,
-    "type": "string",
-    "value": "[12,34,44,43,23,23]",
+    "type": "number[]",
+    "value": [
+      12,
+      34,
+      44,
+      43,
+      23,
+      23,
+    ],
   },
   {
     "description": "Text box for string with length 8",